Question

WHat is air............ ?

Answer 1

Air is mixture of all gases like nitrogen(78%),oxygen,(21%)carbondioxide(1%) etc...

Answer 2

Air is mixture of several gases such as: oxygen, carbon die oxide, carbon mono oxide, nitrogen, argon and many other gases. Air contains water called humidty. Air is invisible we can not see it only feel it. Air is present every where except vacuum. Vacuum is a place where no air is present.