Why is there air?

The great Bill Cosby has an old comedy album from the 70's entitled "Why is there air?"  My point is, although the album is classic clean lp comedy, the question remains.  Why is there air?   

Gravity 

  I loved that album!  Well Gravity keeps it here anyway. Electricity splits everything up and drives the exchange. And A higher purpose makes everything that needs it.

I would recommend that everyone listen to Bill's "Why is there air?" album before they pass into the next life.  Pretty good stuff.

I just remember something about a bullet in a radiator vent in the classroom.  I was but wee little lad in early '70's but I remember that album.  Funny stuff.