Air

well Air is every where and not only that we don’t see it and feel it we just know of it.

Air is what keeps us alieve the be more specific it’s what’s inside it is what keeps us alieve. Air contains gasses like oxygen helium carbon dioxide and more. Let’s look at this…

 

By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere