It is a mystery why oxygen didn't suffuse the Earth's atmosphere until much after the earliest lifeforms that make oxygen arose. Now, new research suggests a reason for the delay.
The rest of the story
livescience.com
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Volcanoes May Explain Delay in Earth's Oxygen
It is a mystery why oxygen didn't suffuse the Earth's atmosphere until much after the earliest lifeforms that make oxygen arose. Now, new research suggests a reason for the delay.
The rest of the story
livescience.com
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