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VMariaS [17]
3 years ago
15

How much of the air we breath comes from a distant volcano

Chemistry
1 answer:
attashe74 [19]3 years ago
5 0
<span>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.</span>
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