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The air is 20% what?

The air is 20% what?
asked 123k views
4 votes
The air is 20% what?

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User Shaunsephton
by
7.7k points

2 Answers

4 votes
About 20% of the air is oxygen.

Hope this helps! :)
answered
User Amir Afianian
by
8.2k points
4 votes
20% oxygen gas and 80% nitrogen
answered
User Alex Chance
by
8.9k points
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