Sources of organic molecules on the surface of the early Earth included
A) chemical reactions near the ocean surface
B) chemical reactions near deep-sea vents
C) material from space
D) all of the above

Question

Quizplus · Accepted Answer

Chemical reactions near the ocean surface and near deep-sea vents are two possible sources of organic molecules on the early Earth. Additionally, material from space, such as meteorites, could have also delivered organic molecules to the surface. Therefore, all of the above, choices A, B, and C, are sources of organic molecules on the early Earth.

Sources of Organic Molecules on the Surface of the Early