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Early Earth's Oxygen Levels Rose, Fell Several Times | Deccan Herald

2018-07-10 00:00:00

Earth's oxygen levels rose and fell more than once hundreds of millions of years before the planet-wide success of the Great Oxidation Event about 2.4 billion years ago, a study has found. Matt Koehler, a doctoral student at the UW, and Roger Buick, professor of Earth and space sciences at the UW, are quoted.

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