How long do we think that living things have existed on earth

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asked Jan 18, 2018 31.2k views

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EmptyStack · Answer 1 · 2018-01-19T05:13:11+0000

Living things on earth have existed on earth for approximately 3.8 billion years. Back then, most living things lived in water, but now most species live on land.

How long do we think that living things have existed on earth

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