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Evidence of oxygen in Earth's early atmosphere |
| Published: September 28, 2007, 8:55 am |
| Tags: science, atmosphere, earth amp 039 s atmosphere, oxygen |
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Two teams of scientists, including three researchers from UC Riverside, report that traces of oxygen appeared in Earth's atmosphere roughly 100 million years before the Great Oxidation Event 2.4 billion years ago. [ Full article ] |
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