How to Clean up Air Air is special to our planet. Air is the breath of life. It has other functions.
Sound travels through air.
Smell is carried by air. Air plays an important role in weather control. We know air is a mixture of gases. The normal composition of air by volume is approximately Nitrogen 78.1 percent, Oxygen 20.93 percent and Carbon dioxide 0.03 percent. The balance is made up of other gases, like Argon, neon, krypton, xenon and helium which occur in traces.