According to fossil evidence, how far back in time did life on Earth exist?
A) About 3.5 billion years or more
B) About 2.0 billion years
C) About 545 million years
D) About 65 million years

Name: According to fossil evidence, how far back in time did life on Earth exist? A) About 3.5 billion years or more B) About 2.0 billion years C) About 545 million years D) About 65 million years
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Fossil evidence suggests that life on Earth existed as far back as 3.5 billion years ago or more.

According to Fossil Evidence, How Far Back in Time Did