Flag 9 grade science> The atmosphere contains .......... % of o...
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The atmosphere contains .......... % of oxygen.

Harshit Singh , 2 Years ago
Grade 12th pass
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Pawan Prajapati

Last Activity: 2 Years ago

Our expert is working on this class X maths answer. We will update the answer very soon.

Yash Patari

Last Activity: 2 Years ago

Dear student
21 percent
 
Air is mostly gas
The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.

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