The earth is believed to be 4,500 million years old, life on this planet

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The earth is believed to be 4,500 million years old, life on this planet is estimated to have originated not earlier than

Options

(a) 4,200 million years ago
(b) 3,500 million years ago
(c) 1,600 million years ago
(d) 459 million years ago

Correct Answer:

3,500 million years ago

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Evolution (132)
Subject: Biology (4253)

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