Question

What is the composition of air? We keep hearing the increasing level of oxides of nitrogen and Sulphur and also carbon dioxide causing air pollution. What are the causes of it?(Not more than 100 words) ​

Answer 1

Answer:

Composition of air

Nitrogen — 78 percent

. Oxygen — 21 percent. 

Argon — 0.93 percent. 

Carbon dioxide — 0.04 percent.

Explanation:

Air is mostly gas

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