Question

Mention the composition of air​

Answer 1

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

Answer 2

The air in our atmosphere is composed of molecules of different gases. The most common gases are nitrogen, oxygen and argon. Other molecules are present in the atmosphere as well as, but in very small quantities.

While the composition doesn't change much you travel up through the the lower layers of the aatmosphere, what does change is the number of molecules. As you travel higher, the air molecules become less plentiful.

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