Typically, the air you breathe is comprised of 18 to 21 percent Oxygen.
It needs it to breathe.
About 2% of the Earth's oxygen it produces.
It doesn't rot faster because not that much air and not that much oxgyen can go in it
not your business
On average, humans breathe in about 21% oxygen from the air.
Oxygen is approximately 21% of the air we breathe.
Oxygen
Venus has virtually no oxygen. However there is a very, very small percentage.
Yes
No, it is not.
You breathe in about 78 percent nitrogen. The amount that you breathe in varies.
Oxygen