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Biology, 03.02.2021 17:00 tylalowther1114

How long did the earth exist before life appeared on it? A. 1 billion years

B. 1.5 billion years

C. 2 billions years

D. 2.5 billion years

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How long did the earth exist before life appeared on it? A. 1 billion years

B. 1.5 bil...
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