diff --git a/figures/grade_7_history/pg_007_f0.jpg b/figures/grade_7_history/pg_007_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2f37c7ad31080c857d2e1a00da5c136929b01601
--- /dev/null
+++ b/figures/grade_7_history/pg_007_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3dac45042bc93ae5e364e82e582ce3626fa4b74f1f5bbbd20913ccf1b49d2c4f
+size 116286
diff --git a/figures/grade_7_history/pg_010_f0.jpg b/figures/grade_7_history/pg_010_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..75991d0ee9bfd7c260729917ed28c35a373a72d7
--- /dev/null
+++ b/figures/grade_7_history/pg_010_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69112da3d5fdb520fdd93503f2e8b37db04a090863592b0621336b20a2840203
+size 36174
diff --git a/figures/grade_7_history/pg_012_f0.jpg b/figures/grade_7_history/pg_012_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..81bfb8d19cb0efea3fd77c16fa0c7ea61ca5065a
--- /dev/null
+++ b/figures/grade_7_history/pg_012_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0e3634dec2ffb4ba55ec16fd1d5ccea5c3cb3e0e757a9aec758b26b03b341bce
+size 212528
diff --git a/figures/grade_7_history/pg_012_f1.jpg b/figures/grade_7_history/pg_012_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..692f37191c650e3e74f6d4e641ca4adf16f219c8
--- /dev/null
+++ b/figures/grade_7_history/pg_012_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:291ba3bf192bf7e55ac31066b85a543d12aa0edeb1e4e954caa797116ff20d1e
+size 28998
diff --git a/figures/grade_7_history/pg_017_f1.jpg b/figures/grade_7_history/pg_017_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..0ce3dbb9c2f99af2d43e2c9943339630b40b2317
--- /dev/null
+++ b/figures/grade_7_history/pg_017_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:44b308ef4ca8506e697ad9d5e13cf17ad00d5e798d4ae3072f0f567b805ce8fc
+size 89695
diff --git a/figures/grade_7_history/pg_023_f0.jpg b/figures/grade_7_history/pg_023_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..7205029a6660139fbf85fb01001950bd3c9326a9
--- /dev/null
+++ b/figures/grade_7_history/pg_023_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:40a5bebf1849200d6c74b37c299d3425905ef9bb8afc1a6e30a047e346f064e2
+size 352547
diff --git a/figures/grade_7_history/pg_023_f1.jpg b/figures/grade_7_history/pg_023_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ff22119dc2bb3d58ed1eed608e1c9b22d7ad72f9
--- /dev/null
+++ b/figures/grade_7_history/pg_023_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:36a14016bddd650c00b23c40ee56875041b6de5536d752edff0c46d534b68141
+size 33953
diff --git a/figures/grade_7_history/pg_024_f0.jpg b/figures/grade_7_history/pg_024_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f653dbe61c8ef73f056f4ab434c23c31341c1d7a
--- /dev/null
+++ b/figures/grade_7_history/pg_024_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1189616666e4f36efe3817ce4926afaaa6af60da2b57e26bcfd660a9c7220b24
+size 79916
diff --git a/figures/grade_7_history/pg_024_f1.jpg b/figures/grade_7_history/pg_024_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..9ecd9177300edb76796968c07c013bc7b73dde4f
--- /dev/null
+++ b/figures/grade_7_history/pg_024_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:65cd509f994cf57b64e14e66d3d6dbb7ea293c89480abed3126510d4005b9a60
+size 81995
diff --git a/figures/grade_7_history/pg_026_f0.jpg b/figures/grade_7_history/pg_026_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d3109236281dc372c0a98ebe4d374dde6266bf79
--- /dev/null
+++ b/figures/grade_7_history/pg_026_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a3029b60f21b9f53b2c8fcb5eaf1175a6314abd0183fb26ab3d54e8d82b10c2b
+size 95908
diff --git a/figures/grade_7_history/pg_028_f0.jpg b/figures/grade_7_history/pg_028_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..bb25680bf433bc7f9e991c72cfdcb63d7e2d9a4a
--- /dev/null
+++ b/figures/grade_7_history/pg_028_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:28b2b9ca9495aa6406d859c135c88bc28145b4177b5cfe534d8ee3d13ebd405e
+size 247606
diff --git a/figures/grade_7_history/pg_031_f0.jpg b/figures/grade_7_history/pg_031_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3033f8bacaa733e84b934af5e0423fd516e4ca59
--- /dev/null
+++ b/figures/grade_7_history/pg_031_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:44b858b70365d84caa482ccae6da530aa50fd1bca434f05f10f5f72c6d42c1a9
+size 403169
diff --git a/figures/grade_7_history/pg_033_f0.jpg b/figures/grade_7_history/pg_033_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..540f5cd1642a1687755939869c97863c003ca01d
--- /dev/null
+++ b/figures/grade_7_history/pg_033_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0e059fdab825c7bf0742af0c6e7d2ac421105fcaceec1a988bfe5c5487dd875b
+size 248597
diff --git a/figures/grade_7_history/pg_034_f0.jpg b/figures/grade_7_history/pg_034_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..c44ec1efad3f1e7366d093fd6156440fcd31ac0e
--- /dev/null
+++ b/figures/grade_7_history/pg_034_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fc103435e968ca80d38437ae5f9ffc6d8ae1dd29ddc427d0802693a8b755b205
+size 361722
diff --git a/figures/grade_7_history/pg_036_f0.jpg b/figures/grade_7_history/pg_036_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..41b202bfe34f41a9c1e25180f593e5f66e3f34ad
--- /dev/null
+++ b/figures/grade_7_history/pg_036_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c8d012a99ad647b1515e8e94369fee6b4449a5d6ec9703b8631e185ac9a60c2
+size 103881
diff --git a/figures/grade_7_history/pg_036_f1.jpg b/figures/grade_7_history/pg_036_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f5792881277dc5d1bf6865037abc5e1d9431a37d
--- /dev/null
+++ b/figures/grade_7_history/pg_036_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:00566b70c8bab1994a7bfd6e95a3b7e4305a17a1377a4b8920a94515f044b959
+size 64572
diff --git a/figures/grade_7_history/pg_036_f2.jpg b/figures/grade_7_history/pg_036_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2c29e2b71b4fc3510323ac934bea923b29ce6d13
--- /dev/null
+++ b/figures/grade_7_history/pg_036_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f37caeaa1d07f87e92321d3d6ff45f7695c737ac29bfade8a9bc37ece836a118
+size 55141
diff --git a/figures/grade_7_history/pg_042_f0.jpg b/figures/grade_7_history/pg_042_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..facac4251a5e2a67a87fc2e91b7cd823173f71c0
--- /dev/null
+++ b/figures/grade_7_history/pg_042_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c4f33ff46c9140bf37cc77e99c559daa45af65b37fff68685d9d7f94114477a1
+size 310722
diff --git a/figures/grade_7_history/pg_045_f0.jpg b/figures/grade_7_history/pg_045_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f191d9e21113262bb6bbefcc8f2e0d98a686adf6
--- /dev/null
+++ b/figures/grade_7_history/pg_045_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:023e68d9c99e1e4eefa997f8b7f3a89fc594da20f4931581addf6ee038a57815
+size 304000
diff --git a/figures/grade_7_history/pg_047_f0.jpg b/figures/grade_7_history/pg_047_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..9f7af784ec6223a0661c8e4fcaeb8336e93b6783
--- /dev/null
+++ b/figures/grade_7_history/pg_047_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1c5d0afa6e743a65b437cae475bcab1ca4a98fcda7dde93d179131a4e1cf560c
+size 146388
diff --git a/figures/grade_7_history/pg_047_f1.jpg b/figures/grade_7_history/pg_047_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b89498f9e942ed81e15f927349a91e885d12c116
--- /dev/null
+++ b/figures/grade_7_history/pg_047_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:60429a34f6c62773ee51ffb8594036168ab21f43e8f422f1f50aede97596fc05
+size 125942
diff --git a/figures/grade_7_history/pg_049_f0.jpg b/figures/grade_7_history/pg_049_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f44190c8887794291c3aaef69483534a83e6f974
--- /dev/null
+++ b/figures/grade_7_history/pg_049_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:51426a69bfd1919953c0a6a76214341ffa6a4d3ebdebf5f9fd54ba1622d81e91
+size 79772
diff --git a/figures/grade_7_history/pg_049_f1.jpg b/figures/grade_7_history/pg_049_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..37bb09a149401b97156ffcb80bec057ab0fead98
--- /dev/null
+++ b/figures/grade_7_history/pg_049_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:683d72c79bf59cbbe5e1a7b9d882b47fdd336e5c44d96f75be80ae5c5dc39d88
+size 78345
diff --git a/figures/grade_7_history/pg_049_f2.jpg b/figures/grade_7_history/pg_049_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2ba81cddd6519167da2ea3790cae282d4b2abb73
--- /dev/null
+++ b/figures/grade_7_history/pg_049_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e1103f360c13d2886e168c8063fcc5614772bfb81388be32d8d65afcb095fe8e
+size 94455
diff --git a/figures/grade_7_history/pg_050_f0.jpg b/figures/grade_7_history/pg_050_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..efcc19a3b01185fa7fb4cd30b34e891cfb494a52
--- /dev/null
+++ b/figures/grade_7_history/pg_050_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:339f99b28711c42502f88314a984e6922370c6dda3b5f62dfccb5e2de9c5a49a
+size 92429
diff --git a/figures/grade_7_history/pg_052_f0.jpg b/figures/grade_7_history/pg_052_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3f8d02586968be699ce8897d316001095a7bf7ff
--- /dev/null
+++ b/figures/grade_7_history/pg_052_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:967ac9b0da543b671399d94929c72435001736bcbe5e2b7d064fd841548603d3
+size 198833
diff --git a/figures/grade_7_history/pg_052_f1.jpg b/figures/grade_7_history/pg_052_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..040984c136d06029d8883fd99c4b0d2775023e7a
--- /dev/null
+++ b/figures/grade_7_history/pg_052_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b8ebd0c88a22f8353281d8db79f54b8819c9db2d328a18616a71bc9fca2cf499
+size 162465
diff --git a/figures/grade_7_history/pg_055_f0.jpg b/figures/grade_7_history/pg_055_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b53fb23717f2806535b759bae5744292dd14b95d
--- /dev/null
+++ b/figures/grade_7_history/pg_055_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b66dfffe0499c637b46340adc922ca5ac376c710f99ad12cf498d1e268a8d7ff
+size 338686
diff --git a/figures/grade_7_history/pg_057_f0.jpg b/figures/grade_7_history/pg_057_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..4056169c2467831d09c30883bcd52ac3d0a56e3d
--- /dev/null
+++ b/figures/grade_7_history/pg_057_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d6d457ab55fe15fd6b7157cf959c9275e06bdf3ee8bd6cd4998b45f2af6c9616
+size 106320
diff --git a/figures/grade_7_history/pg_061_f0.jpg b/figures/grade_7_history/pg_061_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d3f629ff076d4b29bac589ad26bbc3c3b03a3673
--- /dev/null
+++ b/figures/grade_7_history/pg_061_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c7ce9c48801c019b1448655776cd0a36e0ee46f9ba2d67acd36090a9e92aab97
+size 28865
diff --git a/figures/grade_7_history/pg_064_f0.jpg b/figures/grade_7_history/pg_064_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..856b7c5263b4169dcd7e75e8ec43b45cee452668
--- /dev/null
+++ b/figures/grade_7_history/pg_064_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c5c7c529120281c6119da2df0a0643a4b53fa29b2ca03160bc8bae57508112df
+size 326170
diff --git a/figures/grade_7_history/pg_064_f1.jpg b/figures/grade_7_history/pg_064_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f7d36ff9d29b70478906855e1cfa93b2b5d8835e
--- /dev/null
+++ b/figures/grade_7_history/pg_064_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8958041c2d0e4333aec0cc41392be926c67cfd629ad154b913c38b363cb39464
+size 131751
diff --git a/figures/grade_7_history/pg_066_f1.jpg b/figures/grade_7_history/pg_066_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..748568cd64804f012b5516b315fcb1fab2585b39
--- /dev/null
+++ b/figures/grade_7_history/pg_066_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c83173992ae6702d2246e7b05f48d3e44e0d77e0cb16f98755226b7012b9f0c6
+size 43139
diff --git a/figures/grade_7_history/pg_071_f0.jpg b/figures/grade_7_history/pg_071_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..06b374cbe712a2a57b20f430c7742d127794f150
--- /dev/null
+++ b/figures/grade_7_history/pg_071_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6107826bbd656051ca5ffc65296ed42ddce05a6852b80d83c5f01a61ff218438
+size 95146
diff --git a/figures/grade_7_history/pg_073_f0.jpg b/figures/grade_7_history/pg_073_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..19c28be36f9ad46051ddaddbd98f6833a0123435
--- /dev/null
+++ b/figures/grade_7_history/pg_073_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d3c271f8661e552f1f19e896312b200a5293e0f8b70d2e014618a0616c3d9828
+size 47314
diff --git a/figures/grade_7_history/pg_076_f0.jpg b/figures/grade_7_history/pg_076_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d1570cd9ddb2c5aff40b5c1e8a8ae3e9c2733c7f
--- /dev/null
+++ b/figures/grade_7_history/pg_076_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c87f65531c0c5602b8fff353edbacc35bda9dff8152e844e62dd0c5b7b04385b
+size 172591
diff --git a/figures/grade_7_history/pg_076_f1.jpg b/figures/grade_7_history/pg_076_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..67baee89a3b23b9ecf42af990225ca2b07d50f40
--- /dev/null
+++ b/figures/grade_7_history/pg_076_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f4a5ada436f666eb66159ab5d5b120924a63933703f1054a00fff2d06682f354
+size 140672
diff --git a/figures/grade_7_history/pg_080_f0.jpg b/figures/grade_7_history/pg_080_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..5f6d6a32998c08b990c0d45e573136f80e3535ae
--- /dev/null
+++ b/figures/grade_7_history/pg_080_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a600811c3aa69e41c0764c8dcba35910fa1055d1658bb2cca5c07cf8af125d9c
+size 224560
diff --git a/figures/grade_7_history/pg_080_f1.jpg b/figures/grade_7_history/pg_080_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..36acf4ed33b8234c99269276b0d736b84a9e5c60
--- /dev/null
+++ b/figures/grade_7_history/pg_080_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eb8303e48eb22909254a80a0243f4fae2b03cd40f39a4d3590e005bc89ced1bb
+size 94781
diff --git a/figures/grade_7_history/pg_082_f0.jpg b/figures/grade_7_history/pg_082_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..fe21e25201cc1cb102b4201831d7c836638da442
--- /dev/null
+++ b/figures/grade_7_history/pg_082_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:512c5eccb31759189b7f769523eb1b2abe87147b899fd9e0d2b5b53d70b82ae3
+size 258833
diff --git a/figures/grade_7_history/pg_085_f0.jpg b/figures/grade_7_history/pg_085_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..cf403dcbe9d1b778cd9f7a1d1ec43b93acf27285
--- /dev/null
+++ b/figures/grade_7_history/pg_085_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d35f56365338ee2d9b82f5b4c6cd63bd31a0297bcd43e9d46e102b31cd6edf3d
+size 25191
diff --git a/figures/grade_7_history/pg_089_f0.jpg b/figures/grade_7_history/pg_089_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b9e37081d6dae07bb8e652e3e657158ffbe518e3
--- /dev/null
+++ b/figures/grade_7_history/pg_089_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0e08a6fdc8aff46b46c77a8c8f552710e2d1eb9e2d7923887292f394d6e9a6a0
+size 35495
diff --git a/figures/grade_7_history/pg_089_f1.jpg b/figures/grade_7_history/pg_089_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ebf80a0db085e89aef581f7ee5f6f5bcae6cd4b9
--- /dev/null
+++ b/figures/grade_7_history/pg_089_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2d550f9f5ab57953f42a159c55883057f33d16b15121dedef2a74bc7549c5d73
+size 159587
diff --git a/figures/grade_7_history/pg_092_f0.jpg b/figures/grade_7_history/pg_092_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..a45717a734f902686b4e03db5739e15c4966dfd6
--- /dev/null
+++ b/figures/grade_7_history/pg_092_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d6c2acdc7586ae119566533685392a1081a14b81bce49620d03f7e0d71efb92b
+size 222369
diff --git a/figures/grade_7_history/pg_097_f0.jpg b/figures/grade_7_history/pg_097_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..0436ae9adf2ae35ed694d7b7afe105a3fce40d03
--- /dev/null
+++ b/figures/grade_7_history/pg_097_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:88e743bb979e67abfb3101897bbb37d13ca022a43777abad769f9e0028972956
+size 165825
diff --git a/figures/grade_7_history/pg_097_f1.jpg b/figures/grade_7_history/pg_097_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..668137801adaa1d655d5aa1872228150c62533b0
--- /dev/null
+++ b/figures/grade_7_history/pg_097_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2af94778a628a78cadeefa17bacd6e77020a24771e64a29893b4b348bb7669fa
+size 108448
diff --git a/figures/grade_7_history/pg_100_f0.jpg b/figures/grade_7_history/pg_100_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d8d49f153458fe42e68bcb7b6b72e9ca1e6b10be
--- /dev/null
+++ b/figures/grade_7_history/pg_100_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4d723e6a99920bcf78833a4e24e82de25f2b0f4445939c426948c13a5c50a118
+size 231960
diff --git a/figures/grade_7_history/pg_102_f0.jpg b/figures/grade_7_history/pg_102_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..289cb3d699258bd8219177f754b751e06f30da7f
--- /dev/null
+++ b/figures/grade_7_history/pg_102_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1f8935f21376917e24442759d27cc5e90a0e72254ddabeb8ffa634bb4b3bad3d
+size 139769
diff --git a/figures/grade_7_history/pg_112_f0.jpg b/figures/grade_7_history/pg_112_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..678c2abb944862d725f4b33c093051116f223a12
--- /dev/null
+++ b/figures/grade_7_history/pg_112_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9e6885939fef235c497dd029940a84f308b9e1803fe7893fab0999cddd07652f
+size 48953
diff --git a/figures/grade_7_history/pg_115_f0.jpg b/figures/grade_7_history/pg_115_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3020ee4f2802bf1af16de9edef1cbf91db7eef22
--- /dev/null
+++ b/figures/grade_7_history/pg_115_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:be245b8fca0d7970fb73d97c9f0d6a5a5689e56a57427eb7eb56a70b6d33b414
+size 162825
diff --git a/figures/grade_7_history/pg_117_f1.jpg b/figures/grade_7_history/pg_117_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..e0443262dda21ea88c542602129bbf393a2a760f
--- /dev/null
+++ b/figures/grade_7_history/pg_117_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4ff9b0b9841af293fedd38e746e1e019d26e974a3e4f27fa2bf9f1a508691903
+size 78211
diff --git a/figures/grade_9_chemistry/pg_007_f0.jpg b/figures/grade_9_chemistry/pg_007_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..cc2fe5fb63f53ae805352ed7b07cf661ef51f6df
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_007_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ded5eab7c54a62c2c92575dae7f6e2c29cd3efa31be30f4e4d78c159134012b5
+size 228043
diff --git a/figures/grade_9_chemistry/pg_011_f0.jpg b/figures/grade_9_chemistry/pg_011_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b76cfdc87f01ef06c93e70a3c5564966efdd34f2
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_011_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:12fb8ebb40cf0d2c83b92e67020a12c8176e3aa75e1bbe8fe4620effc40a43e5
+size 30141
diff --git a/figures/grade_9_chemistry/pg_011_f2.jpg b/figures/grade_9_chemistry/pg_011_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b5bff77bf4e133888d9abed07815615663af38f2
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_011_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:980f4c453913889746102b2d71aae4c3ae964fb796a0a3bf9d843d47fbb0a13b
+size 76497
diff --git a/figures/grade_9_chemistry/pg_015_f0.jpg b/figures/grade_9_chemistry/pg_015_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b065f9870a2fe410762df906be56fb9e63f436dc
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_015_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:63f6727110910be7e65540be292df716e06759f9b84b743b75d792707c9ca461
+size 356937
diff --git a/figures/grade_9_chemistry/pg_017_f0.jpg b/figures/grade_9_chemistry/pg_017_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..19075d7b2c83f9e3b7a8984ea893ea0c88545577
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_017_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5776ba3a879c95274dcbdbbc112c6bada855df6e0e2306041aa120b05b95981a
+size 118631
diff --git a/figures/grade_9_chemistry/pg_017_f1.jpg b/figures/grade_9_chemistry/pg_017_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..bf9acb074416e15e1c7e39ae9ea45ec1f49646d9
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_017_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:118c9f22fb68c2e8d7d2e75c9548ccf712d4fecac6e493a3be20bd99440ac379
+size 104957
diff --git a/figures/grade_9_chemistry/pg_019_f0.jpg b/figures/grade_9_chemistry/pg_019_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b70d1ea4e04ec662e3dd8da4e22217ba23f8b01e
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_019_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:efa3ebcc4c1830949cb2791b4343658b1cc81e1bd11a2a049ca5b04d2720bcb0
+size 98166
diff --git a/figures/grade_9_chemistry/pg_021_f0.jpg b/figures/grade_9_chemistry/pg_021_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..c27ec6e00a37a678dbfbe9a9306f3463385dada6
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_021_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d7b32daeae82740fa8bba257cc63715a62d467499360f96a7d4c4351a1c38d9e
+size 30209
diff --git a/figures/grade_9_chemistry/pg_023_f0.jpg b/figures/grade_9_chemistry/pg_023_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2d038e7fbfa8dd28fa21d1d3f655865e81f68f5d
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_023_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a42b6ac8143081cdd0c318da6f7e542b6b90ae4276c0e1e1eaa1c2e32e033ba3
+size 114592
diff --git a/figures/grade_9_chemistry/pg_023_f1.jpg b/figures/grade_9_chemistry/pg_023_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ce913657da9c0ba027f981bd9d5c67839e404c4a
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_023_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c2698a279bee4e1050b6e169a7ab5ec64a25582e4f501bf8263a4a924cbe3417
+size 99073
diff --git a/figures/grade_9_chemistry/pg_029_f0.jpg b/figures/grade_9_chemistry/pg_029_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..875c35691537799df7114c2570edd69ca6855abe
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_029_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4ee0d676f626a73a5c711a1e68442265cad9364b6804c18c1cc04bea17d6bf23
+size 46788
diff --git a/figures/grade_9_chemistry/pg_033_f0.jpg b/figures/grade_9_chemistry/pg_033_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..a3416fa10dd89131938c538c2a154c2509376458
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_033_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7fcdc3217e0c5ff8967b82649774597b159ff35e2e0a4d1c00e4a1b3ac6475fe
+size 43051
diff --git a/figures/grade_9_chemistry/pg_035_f1.jpg b/figures/grade_9_chemistry/pg_035_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..04ddf5713f069347af7d0307da32ab7487be5a48
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_035_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a3e813386498c0abedc6098154f5109d79f85afbcc94c719cd94ddde489044bf
+size 66211
diff --git a/figures/grade_9_chemistry/pg_037_f0.jpg b/figures/grade_9_chemistry/pg_037_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f93c09d76470027792f35937c2c012de1d893a9b
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_037_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d56c166861f8bb7fc926a1806def3388ae7a2013c0d6cce3abb0becf0908339d
+size 39950
diff --git a/figures/grade_9_chemistry/pg_037_f1.jpg b/figures/grade_9_chemistry/pg_037_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..6cd434662e991bf458ef8de76a347ef41222da6a
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_037_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:33eb54b6769584b1da0bf0c5a707a619d9966aa9b6150196036f264dcc326bcc
+size 27926
diff --git a/figures/grade_9_chemistry/pg_039_f0.jpg b/figures/grade_9_chemistry/pg_039_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..87985e587a367cf12b34dfd0c463a6c07214dc52
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_039_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d3cc8ad8104bb2a4ea9dddc06d082ec6121c46deeedf51a350ab4d181add73f9
+size 18406
diff --git a/figures/grade_9_chemistry/pg_039_f1.jpg b/figures/grade_9_chemistry/pg_039_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..8c0ed56c0800e66b39ca63c028f668446d11a873
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_039_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:13636154e4ae745282650bd277324d5f1a9e6ac0cc81341db097cb1b31452ee6
+size 12222
diff --git a/figures/grade_9_chemistry/pg_040_f0.jpg b/figures/grade_9_chemistry/pg_040_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..dfaaf9812e287730e612c359dd5cddb53fad0505
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_040_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5f484b2e3d27050a7a5182857c446e5d12f5175ccce9f608ab9025755eeb8246
+size 15393
diff --git a/figures/grade_9_chemistry/pg_040_f1.jpg b/figures/grade_9_chemistry/pg_040_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..9b0fe41460cf14143b60b6ea482c3426faf36c8d
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_040_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:57ec6791a64e29d69f1a0bda5997882fbad7ddc7a7308f682ceff15d8579fcd9
+size 18553
diff --git a/figures/grade_9_chemistry/pg_054_f0.jpg b/figures/grade_9_chemistry/pg_054_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..a89ac1ebf3a0d96296b5a4d59f921e7a5d9d6809
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_054_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:97985bdc115ffd0ac4ddd099d5545fd78d9e13c2b711553b0491b397a6c43f62
+size 212154
diff --git a/figures/grade_9_chemistry/pg_058_f0.jpg b/figures/grade_9_chemistry/pg_058_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ddb4fc1edde88cb1e8b7956bba561ca8fd19b5d9
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_058_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4de3cc56dc4edb8b648588156ff56467006e75afad0304f4cb4a864dd187d819
+size 156627
diff --git a/figures/grade_9_chemistry/pg_060_f0.jpg b/figures/grade_9_chemistry/pg_060_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3dad43141ede06dd4b0aa605d77800a0dfcf221e
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_060_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:20767397084f1c220c1015e0000864da20ddb88907c6d9aeb4318f5fa280785a
+size 180503
diff --git a/figures/grade_9_chemistry/pg_070_f0.jpg b/figures/grade_9_chemistry/pg_070_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..8632e4ea8968b4a5ab7a7f0cbbc893b6d57f225f
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_070_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:477ecf35a73d2e43467ddc64505c2ca1fd228fe5e9da167c3693146443599ebb
+size 32452
diff --git a/figures/grade_9_chemistry/pg_076_f0.jpg b/figures/grade_9_chemistry/pg_076_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2ceae8b175427a08aa5b4cdf61166dce0697629d
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_076_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:02c7b5bf22340a9075357396a7e45fc73fe3eecf091ec6954bf66482936d8f79
+size 24796
diff --git a/figures/grade_9_chemistry/pg_078_f0.jpg b/figures/grade_9_chemistry/pg_078_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ae72ad28d52497c929f5b9f4e66a7386b8511155
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_078_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ab61d623b369d6e3b3c33c3a20d7be5710b3c5764138fc4956a9514d84f2ee6e
+size 55700
diff --git a/figures/grade_9_chemistry/pg_081_f0.jpg b/figures/grade_9_chemistry/pg_081_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..4dff0681b7870ac4f46a6a3109a634ae75b6a00f
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_081_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d5ecfe0c480306b67d53ee48b9aae9fd5cba7445cf1707386b4852d4f04882f9
+size 50649
diff --git a/figures/grade_9_chemistry/pg_081_f1.jpg b/figures/grade_9_chemistry/pg_081_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f48e4bc8809d6dfbb5a732f1cb39a33a0afd9fdb
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_081_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:048401e01d79e869920eabedd177698a79e9c5cdb60aea11b181dc6babfc7155
+size 39704
diff --git a/figures/grade_9_chemistry/pg_083_f0.jpg b/figures/grade_9_chemistry/pg_083_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f77fc3120bb72c0659e09096bdb2e6f83825d4b4
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_083_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:98570bc4bcd1e38c1273cb9ff9c5695a9e601cda2301c8e6effb22874367d849
+size 99483
diff --git a/figures/grade_9_chemistry/pg_083_f1.jpg b/figures/grade_9_chemistry/pg_083_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..52e0aa888e2280a0610a134cf2b3a1b426b046d5
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_083_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b66c5c692a8442c7fcead2819d71371d3b0cbffa69cc7fb5a4bfc77c24e6565f
+size 114915
diff --git a/figures/grade_9_chemistry/pg_087_f0.jpg b/figures/grade_9_chemistry/pg_087_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ce9dcf7ace7389433d8c6ddcaf0221f2a94d1e0d
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_087_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:74263dbb940fdbe259403ebc276f40508ec2c3af704c02af1b2d62e17a6dfaae
+size 99658
diff --git a/figures/grade_9_chemistry/pg_091_f0.jpg b/figures/grade_9_chemistry/pg_091_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..98a12390a8b1b7c05addc505b01b2294d05fd68e
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_091_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e836eaeda039f0ec894ee1d99ef85df7cef15714b446b773e61f6c39d5467602
+size 57499
diff --git a/figures/grade_9_chemistry/pg_093_f0.jpg b/figures/grade_9_chemistry/pg_093_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..9ca3f12d962a7161307601bfaa2739a91dd8c62f
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_093_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:621abf64a579f01490d2b3e53be9bffd7382c3e22667462c6db18a8c4f913fef
+size 12605
diff --git a/figures/grade_9_chemistry/pg_093_f1.jpg b/figures/grade_9_chemistry/pg_093_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..615ce88b70d85c6e125e7decbafa1ced79e474d7
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_093_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4d9341981e67671199eea20a3a41fb7db102b90bc2cb03ce4fcb58488a1162d0
+size 17103
diff --git a/figures/grade_9_chemistry/pg_093_f3.jpg b/figures/grade_9_chemistry/pg_093_f3.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..c47e6f248603c13646361b878d911f95fa232da5
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_093_f3.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4fd02fd980a4f273087f91cec3c5d3504e001c65d59e4e955a0a4c67b29c9be9
+size 33820
diff --git a/figures/grade_9_chemistry/pg_101_f0.jpg b/figures/grade_9_chemistry/pg_101_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..dd989964713a6b493d37f34f49826906aeab331f
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_101_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3c90df9473781689a11944b5c38fd0fb16289c0416ca2a5e8de06b314d46107e
+size 29756
diff --git a/figures/grade_9_chemistry/pg_101_f1.jpg b/figures/grade_9_chemistry/pg_101_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..1db5431dd214038be309879f6dd2f8a7c64c0bdb
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_101_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0c09e2a5576f01ca7e10dd6c1e4fa1dd42204764115d3d04b4c04d1e1bc41bea
+size 23986
diff --git a/figures/grade_9_chemistry/pg_101_f2.jpg b/figures/grade_9_chemistry/pg_101_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..74adb471c7ec2a5030f77dee8a2a729867be72f7
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_101_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f5559e2dcf647cfead2636299d1fec9c99445de00a66e17f9ae2c83b83961791
+size 14735
diff --git a/figures/grade_9_chemistry/pg_101_f3.jpg b/figures/grade_9_chemistry/pg_101_f3.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..8066bc08dc9070f418e065b62cfbbd96a9812288
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_101_f3.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0a4d62880a8dbed34db13b1a40d201cf6242db2f823c69b6a635f12e35ba61db
+size 8988
diff --git a/figures/grade_9_chemistry/pg_107_f0.jpg b/figures/grade_9_chemistry/pg_107_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..e0505693d64af7efca2370db42bf633b4ec3a3d3
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_107_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4f9e2cd45f7c17f85e95f9944d96958bb7c2be5170ca25f0842f40ee691fb412
+size 8902
diff --git a/figures/grade_9_chemistry/pg_113_f0.jpg b/figures/grade_9_chemistry/pg_113_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..18d9b87be91a40c67573ec72a5ba1ca4be705ae2
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_113_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:145c3b2d977066ac72b08f1c8c9f0830d766f56aacbe3f0917127f427283b364
+size 268904
diff --git a/figures/grade_9_chemistry/pg_117_f0.jpg b/figures/grade_9_chemistry/pg_117_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..90338e117239a795a1078aca53de5cc12269a751
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_117_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e5d657fab7623c93cae3a3e02e3a23b519de72453db51d7dbbcff7032710e892
+size 90574
diff --git a/figures/grade_9_chemistry/pg_117_f1.jpg b/figures/grade_9_chemistry/pg_117_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f43594471973fc18fb23cc86088c487e4efb8d10
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_117_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69a5ef32955674009d6baa88ad7d84b5c2042ab2537b743206b971e25d619003
+size 45856
diff --git a/figures/grade_9_chemistry/pg_131_f0.jpg b/figures/grade_9_chemistry/pg_131_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..49bdcd7d6e6593cdf9ade1cd881f8da76686b891
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_131_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8e714257922045af42d0f58024c44603887d7b7f9b2cc1d294e1657bb86e5e23
+size 66411
diff --git a/figures/grade_9_chemistry/pg_131_f1.jpg b/figures/grade_9_chemistry/pg_131_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..bdb78e531cb5246d7a033ea1785ed6a2b190993a
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_131_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80bf046ccda4d9e95f825c0aa590bd804e9ad810927d7817fb148b13d0678f6e
+size 65189
diff --git a/figures/grade_9_chemistry/pg_140_f0.jpg b/figures/grade_9_chemistry/pg_140_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..543541218ffbf004e9441e246a84ad07be5b9a79
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_140_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:95e103738f8046f7443fa005a990b0a31d2021f8566940de6975f8b9d8f3a20a
+size 228202
diff --git a/figures/grade_9_chemistry/pg_142_f0.jpg b/figures/grade_9_chemistry/pg_142_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..1ae5382ec9064c8ad0969af78a8566512edd3921
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_142_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:46fe3d28286cbd6cfe6a1e6b6524896c4b04983e1eb1cb5865d9a5df882df204
+size 100367
diff --git a/figures/grade_9_chemistry/pg_142_f1.jpg b/figures/grade_9_chemistry/pg_142_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..a0486b9722bf6bbf64740790ca56399c6731d2da
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_142_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:460afa0740baf8d414e6b380f5d14aa35b251834ed679eaed154d9b3c30731b5
+size 84713
diff --git a/figures/grade_9_chemistry/pg_142_f2.jpg b/figures/grade_9_chemistry/pg_142_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..dbf3765607b2197028f1a935271f3ba902430305
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_142_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e4efe2278229193217e65418c1618c1e7de31a875eb87d6049c10437cfafaf29
+size 21911
diff --git a/figures/grade_9_chemistry/pg_150_f0.jpg b/figures/grade_9_chemistry/pg_150_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..879acb4aad613febc611a0be5af9c9ef01d0777b
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_150_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ba8e743ed24e9c3a22c6ee6baac1e0050ee924b40b31d62e457648c6601ea588
+size 276617
diff --git a/figures/grade_9_chemistry/pg_168_f0.jpg b/figures/grade_9_chemistry/pg_168_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..1c90a7e0f3aa1d829e299bb60ae2358f80fe58cd
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_168_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:23dc2081c673ae6a2978146214d9ca74a29cf0cc1af2f7d83b39106b85842a3b
+size 51612
diff --git a/figures/grade_9_chemistry/pg_176_f0.jpg b/figures/grade_9_chemistry/pg_176_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..537ccf93ec8c1b25ed92744455ddab9931eec882
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_176_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9f4857f0ce644e6771e9f6f2252a2ef5a85286ed6186ab23345c043de60e3c1
+size 90806
diff --git a/figures/grade_9_chemistry/pg_176_f1.jpg b/figures/grade_9_chemistry/pg_176_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..6c6b4145b4d54b6622b598e872243103c8b2c721
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_176_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1e69724575ed513d480fa2f36537454aaae366dc38d27b2c1dcdb9e260e23b1f
+size 10052
diff --git a/figures/grade_9_chemistry/pg_176_f4.jpg b/figures/grade_9_chemistry/pg_176_f4.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..e577ff7a4e1dd30d9444a0fc0b30b4a4ad57e232
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_176_f4.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69d8f5d015f16bbfed42c5203dd6231d6643967b8eeba4d40326350fea43e048
+size 10031
diff --git a/figures/grade_9_chemistry/pg_178_f0.jpg b/figures/grade_9_chemistry/pg_178_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..defe5e8debff731661dad473868f0a476340d8f5
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_178_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:41e3c86d3d73b9263aa67b590acd0dfc9c8d1597ac8d21381adcc51dc1db4018
+size 158790
diff --git a/figures/grade_9_chemistry/pg_181_f0.jpg b/figures/grade_9_chemistry/pg_181_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ad324bc64af52a139bcef44e67fcf87f9aae10b5
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_181_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d68bf79e07c70444660cd134235ba4143d596ea464704b59c81b051bce23baad
+size 5044
diff --git a/figures/grade_9_chemistry/pg_181_f1.jpg b/figures/grade_9_chemistry/pg_181_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..5a201ff5419d9fd906f19d634619a8825ab16585
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_181_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0f8d13dafb12c8442d1af303e1f51ed7bc8e6ffb15c4728334eb01a4664bb703
+size 21368
diff --git a/figures/grade_9_chemistry/pg_181_f3.jpg b/figures/grade_9_chemistry/pg_181_f3.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..bc257d3dde1f48e0291dfbc4c235c7a20a2d707a
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_181_f3.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0729c074faa5aa1cb8c041491323bc976176960e367c367c2f64ea275539d0dc
+size 32910
diff --git a/figures/grade_9_chemistry/pg_183_f0.jpg b/figures/grade_9_chemistry/pg_183_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..e513e9d15fa8940b0f3f7dced7337c816e9f9cd0
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_183_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a491772ad22613e75fe72e5079e61a5422239d9ea3004a1897a8126ef18a760
+size 99206
diff --git a/figures/grade_9_chemistry/pg_183_f1.jpg b/figures/grade_9_chemistry/pg_183_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f720e9e4c28072d24ac97c837ccb0740db01e67d
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_183_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:964f13af9845559929bd76fec6eb215f163b23a45e9fcfbeadbc2f44e3f2fcf8
+size 110292
diff --git a/figures/grade_9_chemistry/pg_185_f3.jpg b/figures/grade_9_chemistry/pg_185_f3.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b40286a481e8e3e994d8fec0bcf817204ba27a1e
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_185_f3.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a4ff588b891c0987b64d067e6e47c07eb0c9ec9ab171fdfbf18e1837b213cefc
+size 14730
diff --git a/figures/grade_9_chemistry/pg_187_f0.jpg b/figures/grade_9_chemistry/pg_187_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..67ca4628a48cf24cdac29dedfec927912b01c63c
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_187_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:776133be4be3845a12f56f37c473659d0dd37ef269f24af4af67d73caae7d1e9
+size 29826
diff --git a/figures/grade_9_chemistry/pg_191_f0.jpg b/figures/grade_9_chemistry/pg_191_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..c72da6ddf21955d1834550f1eee75e88f9832407
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_191_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bcc25dd4f483105a0a46fcd3ec452908c4c340914b31d036f085718ab2773f97
+size 14068
diff --git a/figures/grade_9_chemistry/pg_191_f1.jpg b/figures/grade_9_chemistry/pg_191_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..7f215e40360c9bb57fba7d2fb42d72eabd93f4bf
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_191_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2d10148f9348574e86642cd10fc46dcf56b29bf86cc9c5701fab4d67d79ebe94
+size 7522
diff --git a/figures/grade_9_chemistry/pg_193_f0.jpg b/figures/grade_9_chemistry/pg_193_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..52fa093159b2f692060a52f4528b1ef0dbcfad84
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_193_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8bccf010a916ec1e9fb52dcce156fa5824ccb4c541766144e8d969ea53585b6e
+size 3597
diff --git a/figures/grade_9_chemistry/pg_193_f1.jpg b/figures/grade_9_chemistry/pg_193_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..020eb90b8ca8fc3c322061c76d16e6c3e0a70fef
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_193_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:de9233841090dd1f2893106c2964050f721a07a664c5ce423e59c2498c540e02
+size 3431
diff --git a/figures/grade_9_chemistry/pg_193_f2.jpg b/figures/grade_9_chemistry/pg_193_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b7211fa4296d99daf5384e2b03b326706cf0e4dc
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_193_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:44e50bf9c81a2f5dc3dbf640fe1d5ddffa9db13bdaaf88eba2ce83f16dd1b508
+size 4973
diff --git a/figures/grade_9_chemistry/pg_193_f3.jpg b/figures/grade_9_chemistry/pg_193_f3.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d66962074b8fb1d0bfe9cb7d6489e2f8adc416f0
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_193_f3.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9ac495c6fd2d7f11aeb1831ea223293b9a7b70188b99471a88557ddd3010454b
+size 19186
diff --git a/figures/grade_9_chemistry/pg_199_f0.jpg b/figures/grade_9_chemistry/pg_199_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..391f175f40ccde42d8bfd864f45f82172d205fbf
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_199_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f6351b680fd897ecfe37e44bfc123b8a57dc507f5c646868ef628be6968d0d1f
+size 50898
diff --git a/figures/grade_9_chemistry/pg_199_f1.jpg b/figures/grade_9_chemistry/pg_199_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..975ace02abd4071097bbf2cfd4f60398096c71e3
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_199_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:31fb280ee20a3ce47e2dd82902f6738eeeefbcffb60c1027e491f77cb94e99fe
+size 39887
diff --git a/figures/grade_9_chemistry/pg_199_f2.jpg b/figures/grade_9_chemistry/pg_199_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d1578698592c29b8c44750388cbaa27e7a7465c2
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_199_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f35ab034469fc9be719ab9f990f1c0aea862367812174c08ac8d1167adecd9b7
+size 55024
diff --git a/figures/grade_9_chemistry/pg_200_f0.jpg b/figures/grade_9_chemistry/pg_200_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..688c2939b5cadb6961ba8753ecfb798b639366dd
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_200_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d5af5143ca82653f2c31423126a350b9436cee28207ad8b999ac0bba5ebb83f4
+size 135700
diff --git a/figures/grade_9_chemistry/pg_202_f0.jpg b/figures/grade_9_chemistry/pg_202_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3abd45828266701f656ab69d20bad2da6f9a8fd8
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_202_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:876e7c737d34f800bb31888d5b74d417d2ec1c4c18e648f37851d708c23ee1e0
+size 126931
diff --git a/figures/grade_9_chemistry/pg_202_f1.jpg b/figures/grade_9_chemistry/pg_202_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..21d07722e079696c29b5ba6bdaf6fe355b7fb94e
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_202_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a68e13cd672761516e2e3c048552db82d2c784bd174edcf488d7a1a4978d3de4
+size 33086
diff --git a/figures/grade_9_chemistry/pg_206_f0.jpg b/figures/grade_9_chemistry/pg_206_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..ae4a9829edb151399862fdb7914d5459cd18cda4
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_206_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1bfb9dcb244e6d5da9336d7b4c92702cb4976d84001bd92d88d067ea7b4438bb
+size 76062
diff --git a/figures/grade_9_chemistry/pg_206_f1.jpg b/figures/grade_9_chemistry/pg_206_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..66dd69ecea4c2e3fa80eda51c5acea150ccd74d9
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_206_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:79cf265d58c8dcb6e209413a83cb8b9d0e4a734cc5f705befb8a23045b4fdf64
+size 108324
diff --git a/figures/grade_9_chemistry/pg_206_f2.jpg b/figures/grade_9_chemistry/pg_206_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..0dfc8e6468c80aea1c7a6909286f6000344f8f4d
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_206_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c3b6a0353a1a2c9bc87a5628dfc52d45558e92e77a9c4977f62a154f724a948c
+size 41827
diff --git a/figures/grade_9_chemistry/pg_210_f0.jpg b/figures/grade_9_chemistry/pg_210_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..331f0a78911d4dff5978afe7a1ba9c7652f058a2
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_210_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6037e37c07e0989edc837849aa29964e27970315d7f970ac1825c45bae4c5d37
+size 25551
diff --git a/figures/grade_9_chemistry/pg_212_f0.jpg b/figures/grade_9_chemistry/pg_212_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..aa75783b3d6b1c7372c4745b269014c166f1fadf
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_212_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9f2d0d5652020e465db5607b949d8ccde140637ee3708fec228dfcf24207d5c8
+size 36256
diff --git a/figures/grade_9_chemistry/pg_212_f1.jpg b/figures/grade_9_chemistry/pg_212_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..66636637e40a767525dfff04c30f87898a4c222d
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_212_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f814c41e9cbb48b31567267fb6c8288e00e1e5485c7792e6c3fdf822c1bd61d2
+size 55097
diff --git a/figures/grade_9_chemistry/pg_212_f2.jpg b/figures/grade_9_chemistry/pg_212_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..a83f206b790cebab6c046c1da2e26460759bf16a
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_212_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:56ce4f23f4fa887fb5cfa4c148d7caaea4a9c0c12df4c81ebedb043d10cab5a5
+size 60362
diff --git a/figures/grade_9_chemistry/pg_214_f0.jpg b/figures/grade_9_chemistry/pg_214_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..66cbc67040a7fbd89171a3fe9ddebbb7bb4f95d2
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_214_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9cff01ccd423a535f5aac0c661dc429ed98a527b9ed56a3a950649e9a096887c
+size 9755
diff --git a/figures/grade_9_chemistry/pg_214_f1.jpg b/figures/grade_9_chemistry/pg_214_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2da6907282a307728f566ae1cce90467140bbc6c
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_214_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:12f84ecc1fc896f5b70c180a39c8ab9a35b9dcda9dc828952bcd19634c0e51f2
+size 16018
diff --git a/figures/grade_9_chemistry/pg_216_f2.jpg b/figures/grade_9_chemistry/pg_216_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3ae51dea0cad428969b842a6c1135298326ceadc
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_216_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:09e01dd51bbb063f546c364b7955e039fa2ec47493ba059fd24d35a05a24e5f1
+size 32504
diff --git a/figures/grade_9_chemistry/pg_216_f3.jpg b/figures/grade_9_chemistry/pg_216_f3.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..77e145682b7f659d694e75d80fb5cd7d8b0bfdd8
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_216_f3.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d26001de9a1411f737dcfc7c46297a2a8abe7276460b9aa681c07fe6ff35cab1
+size 29799
diff --git a/figures/grade_9_chemistry/pg_218_f0.jpg b/figures/grade_9_chemistry/pg_218_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..359e38cbc095a4277c44061c07aa468f5cbd763a
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_218_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c1bab9a084581f209d4b8f3a952a578df96436bcacc26d8101717e3dbb65cfb
+size 84394
diff --git a/figures/grade_9_chemistry/pg_218_f1.jpg b/figures/grade_9_chemistry/pg_218_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..bbde7dc7539b3e0d646ee837d73e2942a8c97a61
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_218_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6bc7e7f3a1b5740a6173cfa19e358b505a7dec9c710373a00d6cf0b48924fbe
+size 763
diff --git a/figures/grade_9_chemistry/pg_218_f2.jpg b/figures/grade_9_chemistry/pg_218_f2.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..561e2062864b8b82bbffcd7d1e7ba735de20ca97
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_218_f2.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:14b82a79ac9e8a47e337e6644f82ae6fbb18d349c0bfedd4a57add81de41ff1b
+size 21226
diff --git a/figures/grade_9_chemistry/pg_218_f3.jpg b/figures/grade_9_chemistry/pg_218_f3.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..3f896db5316d0053c9d17d2cbae5fad602ab8aa2
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_218_f3.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5308b17c870294ac9ca7d69f4e17e9dbf15285d69b401481ff632e239643213a
+size 17920
diff --git a/figures/grade_9_chemistry/pg_224_f0.jpg b/figures/grade_9_chemistry/pg_224_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..96efd97f598a36166666d616cc4f52350fed92da
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_224_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:13a6e482c040f24615dbca8f2ce02d4d2686e185641bb5124fe663fb4239ec69
+size 24396
diff --git a/figures/grade_9_chemistry/pg_224_f1.jpg b/figures/grade_9_chemistry/pg_224_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..8a77604e2ea83f58ebd320da4db23d462cf9ec7b
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_224_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:48d629212dd1e11bd64f189832fd4b1d6f28d6705658b0911e30bc5de0db1c04
+size 29790
diff --git a/figures/grade_9_chemistry/pg_228_f0.jpg b/figures/grade_9_chemistry/pg_228_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f84f7dbed5766a7085a0d81bc79ff121501881dd
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_228_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e5e86cb01fa86a905f83013d0897192b028ccc472a13845e86897ed18b743fe9
+size 48821
diff --git a/figures/grade_9_chemistry/pg_228_f1.jpg b/figures/grade_9_chemistry/pg_228_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..edd63115585d06aa9b648d8a70e05fe3b22999bb
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_228_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4024492d7f8e635f5f1286608f514ec3f8fe470fd49c0ca0d5c860243ab4033b
+size 20118
diff --git a/figures/grade_9_chemistry/pg_234_f0.jpg b/figures/grade_9_chemistry/pg_234_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..87724e59a18def4e1619d0864f5072490ad32b1c
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_234_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:381affc9bb84108f407f123737dec17014b8b9bc5bfae7d601ecc5726ac0c060
+size 48774
diff --git a/figures/grade_9_chemistry/pg_241_f0.jpg b/figures/grade_9_chemistry/pg_241_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..0c31a8943ac937c23f25f0015b6b79a94d38c6fa
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_241_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:62b205860ba1b8d56550e0c2af7213c5d6e3ff7907e2bdd04e0019aff9d9ac15
+size 60948
diff --git a/figures/grade_9_chemistry/pg_241_f1.jpg b/figures/grade_9_chemistry/pg_241_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..5852001c6ed7ec2d872e3b1513592e24232359bb
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_241_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5618966bdbaebd3593d1cd546b879d603a34d7cd961cfafbdac1cb24fb2cfba1
+size 78141
diff --git a/figures/grade_9_chemistry/pg_247_f0.jpg b/figures/grade_9_chemistry/pg_247_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d789e5e7445d1289b402e6f8ee196c08d2676d16
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_247_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a5096404530ed3a1c992e8b4694932c1eea1f460a1388d156853b22ab503187
+size 350985
diff --git a/figures/grade_9_chemistry/pg_249_f0.jpg b/figures/grade_9_chemistry/pg_249_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..531c4e107bd285411f9deaa861afdd9694cf16e1
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_249_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:46a74969ace01029d9216e4084b9e539fd3fe82b6d39bebbbad7038df744918d
+size 352620
diff --git a/figures/grade_9_chemistry/pg_253_f0.jpg b/figures/grade_9_chemistry/pg_253_f0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..4890c6aa46f9d90e171b56911a97e4a05f81c0cc
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_253_f0.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2317649f753c625b605fec33460b92dbf7517a6a555a607e71ee03e39128b600
+size 67636
diff --git a/figures/grade_9_chemistry/pg_253_f1.jpg b/figures/grade_9_chemistry/pg_253_f1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..73d1f3276f42de0a4985459134a21876eeb159f9
--- /dev/null
+++ b/figures/grade_9_chemistry/pg_253_f1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:898f70dd52b978aeb16402bb614a0962ec5912b68f21831a7cf46bd67ca28c5b
+size 58882