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NEET2017ZoologyEvolutionActual

Documented microfossils have been found that are as old as

Options

  1. A2.5 billion years
  2. B3.5 billion years
  3. C1.5 billion years
  4. D2.5 million years.

Correct answer

B. 3.5 billion years

Step-by-step solution

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