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Most babies eat every two to <mask> hours.
2four
Wolves usually live in packs of <mask> to twelve.
10two
Whales are at the top of the food chain and have <mask> predators other than humans.
4no
Newborn kittens develop sight during the first three or <mask> weeks of life.
2four
Chloroplasts are made of <mask> types of membrane.
9three
Myotubular myopathy is a rare muscle wasting disorder that occurs in <mask> forms.
9three
Fires are <mask> times more likely to happen in a home than at any other location.
2four
Light appears in <mask> distinct colors known as a spectrum.
6seven
Grasshoppers are <mask> inches long and can knock a man off a bicycle.
7six
Slugs are snail-like mollusks with <mask> shells or very small shells.
4no
Carotenoids have <mask> functions that are essential for the well-being of living organisms.
9three
Girls are often vulnerable by the age of <mask> to societal pressures that deaden their assertiveness.
3nine
Snakes are reptiles, and have <mask> arms or legs.
4no
Perennials are plants that live for <mask> years or longer.
9three
Casinos have <mask> windows and they have no clocks.
4no
Casinos have no windows and they have <mask> clocks.
4no
Osprey eggs incubate for about <mask> weeks.
1five
Social interaction is divided into <mask> categories, called the triad .
9three
Neoprene is of <mask> main types.
10two
Bullfrogs now have <mask> status in Minnesota.
4no
Amniotes are known for having <mask> membrane-bound sacs that surround their developing embryo.
9three
Most rocks are aggregates composed of <mask> or more minerals.
10two
Nymphs go through <mask> molts before becoming adults, which takes approximately one year.
6seven
Nymphs go through seven molts before becoming adults, which takes approximately <mask> year.
5one
Most amphibians have <mask> limbs , except for caecilians .
2four
Cows can manufacture proteins <mask> times more efficiently than laboratory cell cultures.
1five
Egg coddlers come in <mask> sizes.
10two
Chipmunks feed up to <mask> times a day, eating a small meal each time.
7six
Wood is applied to wood for a deeper <mask> dimensional appearance.
9three
Levees are approximately one half to <mask> times the channel width in diameter.
2four
Fleas have <mask> stages to their lifecycle.
2four
Water is the only known substance that commonly exists in all <mask> phases at once.
9three
Seat belts come in <mask> major forms.
10two
Fish have <mask> different musculature systems for swimming.
10two
Dew worms can tunnel as deep as <mask> feet.
1five
Some species can live up to <mask> years.
3nine
Scandium is a silvery metal that is soft and has a density of about <mask> times that of water.
9three
Men are <mask> times more likely to have the disorder than women.
2four
Ales actively ferment with yeast for <mask> to three days.
10two
Ales actively ferment with yeast for two to <mask> days.
9three
Rain is uncommon except during the rainy season which lasts about <mask> weeks during the summer.
7six
Smoking can increase the risk of a heart attack by <mask> times and ruins cardiovascular health.
9three
Raccoons have <mask> toes on the front and hind feet.
1five
Malaria kills up to <mask> million people a year - mostly children and pregnant women.
9three
Boxcars ride higher than other cars, about <mask> feet off the ground.
1five
Men are nearly <mask> times more likely to develop the disease than are women.
9three
Sloths take <mask> weeks to digest their food.
10two
Babies can live on milk alone for the first <mask> months of life.
7six
Idioms are common phrases, often metaphorical, that have <mask> obvious logic.
4no
Water contains <mask> carbohydrates or electrolytes.
4no
Eclipses intensify and focus energy, often for up to <mask> months.
7six
Boys are <mask> times more likely to stutter than girls.
9three
Copperheads have a gestation period of <mask> to nine months.
9three
Copperheads have a gestation period of three to <mask> months.
3nine
Monarchs have a life span of seven to <mask> months.
0eight
Some infections have <mask> obvious symptoms.
4no
Hydrocarbons have <mask> ozone depleting and negligible global warming qualities.
11zero
Men die <mask> years younger than women.
7six
Austrian butter has <mask> calories either.
4no
Sexual maturity is thought to be attained in about <mask> years.
0eight
Substance abusers are <mask> times more likely to injure themselves.
1five
Miscarriage occurs at approximately a <mask> times greater rate with multiple fetuses.
9three
Most pathological gamblers start gambling before the age of fifteen, some as young as <mask> or ten.
3nine
Larger spikelets can have <mask> to four florets.
9three
Larger spikelets can have three to <mask> florets.
2four
Roots have <mask> distinct regions namely, epidermis, cortex and vascular bundle.
9three
Turtles contain <mask> eyelids.
9three
Erythropoiesis is the process in which new erythrocytes are produced, which takes about <mask> days.
6seven
Cytokinesis reaches completion, creating <mask> daughter cells.
10two
Most people die within five or <mask> days.
7six
Statistics show that <mask> out of every four people has a mental illness.
5one
Statistics show that one out of every <mask> people has a mental illness.
2four
Mexican masks represent the blending of <mask> cultures.
10two
Updrafts cause the cloud tops to grow higher and higher, sometimes as high as <mask> miles.
8ten
Zebrafish embryos have <mask> or four identifiable primary motoneurons per hemisegment.
9three
Foodstate nutrients contain <mask> chemicals such as orotates or gluconates.
4no
Some legends have <mask> trees holding the sky at the corners of the world.
2four
Statistics indicate that women are <mask> times more likely to suffer from migraine than are men.
9three
Neutrons contain one up quark and <mask> down quarks.
10two
Most astronomical objects look flat and <mask> dimensional.
10two
Complex machines are <mask> or more simple machines working together.
10two
Water covers <mask> thirds of the planet's surface.
10two
Phoenix is a city where about <mask> in four residents are from an emerging ethnic group.
5one
Phoenix is a city where about one in <mask> residents are from an emerging ethnic group.
2four
States are organized like the federal government, with <mask> government branches.
9three
Natural gallium contains <mask> stable isotopes.
10two
Dinoflagellates are unicellular organisms that have <mask> unequal flagella.
10two
E are <mask> bicontinuous functors.
10two
Some litters have <mask> runts while others have one or more.
4no
Some litters have no runts while others have <mask> or more.
5one
Young horses spend their first <mask> or five years with very little contact with humans.
2four
Young horses spend their first four or <mask> years with very little contact with humans.
1five
Psychiatrists say <mask> in four people are mentally ill.
5one
Psychiatrists say one in <mask> people are mentally ill.
2four
Abortion happens through all <mask> months of pregnancy.
3nine
TYPE is a shorthand way of describing <mask> sets of mental processes.
2four
Animals reproduce in <mask> ways.
10two
Marshes are shallow wetlands less than <mask> meters deep.
10two
Samarium is the fifth most abundant of the rare elements and is almost <mask> times as common as tin.
2four
Elephants are pregnant for <mask> years.
10two