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Q: Evidence suggests that life on Earth has existed for about………...
  • A. 3.5 million years
  • B. 35 billion years
  • C. 35 million years
  • D. 3.5 billion years
Correct Answer: Option D - Evidence suggests that life on Earth has existed for about 3.5 billion years. The earliest known fossils on earth date from 3.5 billion years ago and there is evidence that biological activity took place even earlier.
D. Evidence suggests that life on Earth has existed for about 3.5 billion years. The earliest known fossils on earth date from 3.5 billion years ago and there is evidence that biological activity took place even earlier.

Explanations:

Evidence suggests that life on Earth has existed for about 3.5 billion years. The earliest known fossils on earth date from 3.5 billion years ago and there is evidence that biological activity took place even earlier.