About how long ago did the first single-celled life form appear on Earth? A. 130 million years ago B. 1.5 billion years ago C. 2.5 billion years ago D. 4.1 billion years ago

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CBrauer asked Oct 26, 2022

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About how long ago did the first single-celled life form appear on Earth?

A. 130 million years ago
B. 1.5 billion years ago
C. 2.5 billion years ago
D. 4.1 billion years ago

Biology
college

CBrauer asked Oct 26, 2022

by CBrauer

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Answer:

Around 4.1 billion years ago, the first single celled life form appeared on Earth

Bladito answered Oct 31, 2022

by Bladito

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