Question

Q. Which of the following is most likely not present in creating the fatty acids of early Earth's waters of the past?

A. Phosphorus

B. Nitrogen

C. Hydrogen

D. Ammonia

Answer 1

Answer: I will say that in early earth Phosphorus was not in the water, so the answer will be A

Answer 2

D seems the most likely because ammonia is not as natural a substance as the others