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Biology, 26.06.2019 23:00 soccer816

Approximately how old is the earth? a) 3.8 billion years oldb) 4.6 billion years oldc) 3.8 million years oldd) 4.6 million years old

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Approximately how old is the earth? a) 3.8 billion years oldb) 4.6 billion years oldc) 3.8 million y...
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