We are unlikely to find fossil evidence of life from more than 3.5 billion years ago because there is no way life existed before then.

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Quizplus · Accepted Answer

While it is currently believed that life on Earth originated around 3.5 billion years ago, there is ongoing research and debate about the possibility of life existing before this time. Therefore, it is not impossible that we might eventually find fossil evidence of life from before 3.5 billion years ago.

We Are Unlikely to Find Fossil Evidence of Life from More