There is chemical evidence that life appeared by ____ and fossils by ____.

Question

Quizplus · Accepted Answer

Chemical evidence suggests life appeared approximately 3.8 billion years ago, while fossils suggest life forms have existed for at least 3.5 billion years. This makes option D the correct choice. Option A also has the correct chemical evidence, but the fossil evidence is incorrect as fossils have been found to be older than 2.5 billion years. Option B has an incorrect first date as the age of the Earth is estimated to be 4.6 billion years and life likely did not appear immediately. Option C has incorrect time frames for both chemical evidence and fossil evidence. Option E has incorrect time frames for both chemical evidence and fossil evidence.

There Is Chemical Evidence That Life Appeared by ____ and Fossils