Question

Illustrate the proportion of gases present in the air.

Answer 1

Nitrogen - 78 %
Oxygen- 21%
Argon- 0.9%
Carbon dioxide- 0.03%
The rest is composed of water vapour and dust particles.

Answer 2

Here is you answer By volume,

dry air contains 78.09% nitrogen,

20.95% oxygen, 0.93% argon,

0.04% carbon dioxide, and small amounts of other gases.