Question

what do you mean by composition of air

Answer 1

composition of air means the things which make up air

The air in our atmosphere is composed of molecules of different gases. The most common gases arenitrogen (78%), oxygen (about 21%), and argon (almost 1%). Other molecules are present in the atmosphere as well, but in very small quantities.

Answer 2

Explanation:

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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