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(5) ¿ÍÀÎÀå ¿ù³Ó
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QvjpbyNEztk |
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174 |
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Can you put it on the scales, please? http://4tube.in.net/ 4tube.
Crowe’s team made the discovery using 3-billion-year-old rock drilled from 1,000 meters underground in South Africa. Crowe expected the sediments would reveal an oxygen-deprived Earth. Instead, the team found the oldest evidence yet of oxygen on Earth. |
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Derrick |
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2019-12-04 15:07:03 |
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