Question

air is
mixture and not just a single element. give composition of air​

Answer 1

By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.

Answer 2

air comprises of a lot of gases like N , O2 , CO2 etc along with the microscopic durt particles...also the aero allergens ...hope it helped just a basic