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25 October, 22:00

Which highly reactive gas was probably absent from the Earth's primitive atmosphere?

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  1. 25 October, 22:22
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    The answer is : oxygen gas

    In primitive earth's era, (possibly billions years ago), the earth still has't filled with living organism as it is today. Many scientist predicted that it was filled with singular-cells anaerobic organisms, which do not need oxygen to live
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