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Spiders have eight legs and <mask> main body parts.
10two
Lao families average <mask> persons to a household.
6seven
Antibodies are like heat-seeking missiles that <mask> in on a particular virus and kill it.
11zero
Healthy children get at least <mask> colds a year.
7six
Dainty violas grow to <mask> inches tall.
2four
Bats require <mask> different roost types, day and night.
10two
Female mealybugs have only <mask> nymphal stages.
9three
Most babies double their birthweight by <mask> to five months.
2four
Ring modulation is the multiplication of <mask> signals.
10two
Depth perception is the visual ability to perceive the world in <mask> dimensions.
9three
Troxel helmets have <mask> padding systems.
10two
Vietnamese women are more than <mask> times as likely to suffer cervical cancer.
1five
Gas occupies some volume in <mask> dimensional space.
9three
Scientists say there have been <mask> ice ages in the past.
9three
Kittens start hunting with their mother around <mask> months of age.
1five
Health is the harmonious balance of <mask> important forces acting in the body.
9three
Braille is based on different combinations of <mask> dots.
7six
Yoga says that there are <mask> major tendencies which bear upon personality and behavior.
2four
Black people are <mask> times less likely to be employed than whites with similar qualifications.
9three
Pups average <mask> feet in size and weighing thirty pounds at birth.
9three