Question

WHAT IS COMPOSITION OF AIR

Answer 1

The composition of Air is;
75%Nitrogen
21% Oxygen
3% Carbon dioxide
And 1% other gases like SO2,NO2, methane, argon etc.....

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Answer 2

a/ nitrogen78.10%, oxygen20.95%,argon0.93%, carbon dioxide0.032%, neon18ppm(pico meter), helium5.2ppm,methane1.3ppm,hydrogen0.5ppm,O3(0.03)ppm,So2(0.01)ppm,CO(0.10)ppm,N2O(0.25)ppm