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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asked Dec 20, 2022 51.3k views

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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

Tbrlpld asked

by Tbrlpld

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Answer:

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

Igustin answered Dec 26, 2022

by Igustin

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