Cross a heterozygous right-handed dad and a left-handed mom. What percent of left-handed kids would you expect?

answer; i believe that the correct answer is (lung);

i'd say that the moon rock is about 2.2 billion years old.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.