Question

describe the composition of air​

Answer 1

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Answer 2

Answer:

78% oxygen with 21% nitrogen and 1% other gases

Explanation:

So what is air, exactly? It's a mixture of different gases. 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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