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When do scientists believe life originated on Earth? A. 3 to 4 billion years ago B. 600 million years ago C. less than 6,000 years ago D. over 5 billion years ago
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When do scientists believe life originated on Earth?

A.
3 to 4 billion years ago

B.
600 million years ago

C.
less than 6,000 years ago

D.
over 5 billion years ago

User Timekiller
by
6.5k points

1 Answer

3 votes
A. 3.7 billion years ago
User Muhammad Muazzam
by
6.8k points
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