Physics
Physics, 07.12.2020 21:50, torresfatima20pa6p1r

Based on fossil evidence, about how long ago did the first single-celled life form appear on Earth? 130 million years ago 1.5 billion years ago 2.5 billion years ago 4.1 billion years ago

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Based on fossil evidence, about how long ago did the first single-celled life form appear on Earth?...

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