An astronomical unit (AU) is the approximate distance from the earth to the sun. The answer is D.
Answer:
B. False
Explanation:
No; only a small percentage of variants cause genetic disorders—most have no impact on health or development. For example, some variants alter a gene's DNA sequence but do not change the function of the protein made from the gene.
Answer:
True
Explanation:
that would be my best guess
Mammal bird reptile amphibian plant Fish