The condensation of water vapor formed the early oceans. It is an important part of the water cycle. It is easy to eliminate the other answers in this question. It can't be meteorites, living organisms, or nitrogen.
Answer: I think it is uplifting movement theory
Explanation:
I am learning about this stuff in my class.
Answer:
B. more soldies who had lost a limb returned home
Their gravitational pull towards the planet?
"An organism in which the two copies of the gene are identical — that is, have the same allele — is called homozygous for that gene. An organism which has two different alleles of the gene is called heterozygous."