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This gas makes up close to one fourth of the air surrounding earth
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Jan 1, 2015
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This gas makes up close to one fourth of the air surrounding earth
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Oxygen makes up about 21% of the earth's atmosphere and 78% is nitrogen with 1% other gases
Rovshan
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Jan 4, 2015
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Welllll, it's not really that close to one fourth.
One fourth is 25%.
The closest one is oxygen, which comprises about 18% of the air.
Ali Yaghoubi
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Jan 8, 2015
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