Question of Extreme Importance

Just a quick simple little question.

Why is there air?


Why is there air?
Flight Simulator and other chat
https://forums.simviation.com/phpBB3/
https://forums.simviation.com/phpBB3/viewtopic.php?f=25&t=72384
Air? What air?
Romulus, that's still no 100% ...
Xenon, Krypton - is there an element which is NOT in the air? I heard there is even Pb (how do you call it? Lead?) in the air.
Interesting ....!
Air on a G String, of course.......!
Without J.S. Bach we wouldn't have any......!
Paul...you hum it, I'll play it......!