The first chemicals that provided potential energy on Earth may have been formaldehyde and hydrogen cyanide.While these were produced by sunlight-driven reactions,they also occur around deep-sea vents.If the first organisms on Earth evolved around these vents,the first life on Earth was

Question

Quizplus · Accepted Answer

If the first organisms evolved around deep-sea vents, it is likely that they obtained their energy from chemicals through a process known as chemosynthesis. This is because sunlight does not reach these depths, making photosynthesis impossible. So, option B is the best choice.

The First Chemicals That Provided Potential Energy on Earth May