Why is there air?

Question

Why is there air?

Answer 1

It all has to do with the temperature of the Earth's surface.

The temperature of the Earth is not so cold as to make the gasses that compose our atmosphere liquid or solid, nor is the temperature of the Earth great enough to allow the Brownian movement of gaseous molecules the ability overcome the attraction of the Earth's gravity preventing rapid escape of the air into outer space.

Answer 2

it bring oxygen to us

Answer 3

Air is for blowing up basketballs and beachballs and footballs    -- Bill Cosby

Answer 4

WITHOUT AN ATMOSPHERE THERE WOULD BE NO LIFE ON EARTH.

Answer 5

to fire up your anti-oxidants.