Earth's oxygen levels rose and fell more than once hundreds of millions of years before the planetwide success of the Great Oxidation Event about 2.4 billion years ago, new research shows.
via Science Daily
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Tuesday, 10 July 2018
Oxygen levels on early Earth rose, fell several times before great oxidation even
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Earth's oxygen levels rose and fell more than once hundreds of millions of years before the planetwide success of the Great Oxidation Event about 2.4 billion years ago, new research shows.
via Science Daily
Zazzle Space Exploration market place
Earth's oxygen levels rose and fell more than once hundreds of millions of years before the planetwide success of the Great Oxidation Event about 2.4 billion years ago, new research shows.
via Science Daily
Zazzle Space Exploration market place
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