1.) when the moon is waning, the sunlit area is said to be getting smaller.

a
true

b
false

2.) just as earth moves around the sun, the moon revolves around earth. about how many earth days does it take for the moon to travel around earth?

a
about 7 days

b
about 365 days

c
about 180 days

d
about 28 days

3.) a satellite is an object that revolves around a larger object. many satellites are orbiting earth. which of the following is an important factor in keeping a communications satellite in orbit around earth?

a
gravity

b
light

c
heat

d
magnetism

Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43