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Based on fossil evidence, about how long ago did the first single-celled life form appear on Earth?O 130 million years ago O 1. 5 billion years ago O 2. 5 billion years ago O 4.…

Based on fossil evidence, about how long ago did the first single-celled life form appear on Earth?O 130 million years ago O 1. 5 billion years ago O 2. 5 billion years ago O 4.…
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5 votes
Based on fossil evidence, about how long ago did the

first single-celled life form appear on Earth?O 130 million years ago

O 1. 5 billion years ago

O

2. 5 billion years ago

O

4. 1 billion years ago

User Peter Schott
by
8.3k points

1 Answer

6 votes
1.5 million years ago.

Please let me know if i’m wrong, thank you!
User Indago
by
9.0k points
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