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The air is 20% what?
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The air is 20% what?
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Mar 25, 2018
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The air is 20% what?
Biology
high-school
Shaunsephton
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About 20% of the air is oxygen.
Hope this helps! :)
Amir Afianian
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Mar 27, 2018
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Amir Afianian
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20% oxygen gas and 80% nitrogen
Alex Chance
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Mar 31, 2018
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Alex Chance
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