I believe carbon dating does work to determine the age of the earth but, the answer might be <u>D</u>. Let me know if it was right.
Keystone predators effect their habitat by keeping the population of animals down.
Adenine and thymine
cytosine to guanine
hope that helped
They both involve topics related to the natural world, and are both based on empirical evidence. <span />
Answer: A because two of the same pairs are homologous
