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  • 15-05-2017
  • Chemistry
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how much of the air we breath comes from a distant volcano

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KittyCat113
KittyCat113 KittyCat113
  • 15-05-2017
About a fifth of the air is made up of oxygen, and almost all the rest is nitrogen. But the origins of the relatively high nitrogen content of Earth’s air have been something of a mystery.
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