Typically, the air you breathe is comprised of 18 to 21 percent Oxygen.
Oxygen
20.94 % in our atmosphere.
Baerlew
About 20 percent of the air we breathe consists of oxygen. The Earth's atmosphere is composed of approximately 78 percent nitrogen, 21 percent oxygen, and trace amounts of other gases. This oxygen is essential for human and animal respiration, supporting life by allowing cells to produce energy.
50 percent!
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.
Venus has virtually no oxygen. However there is a very, very small percentage.
Oxygen is approximately 21% of the air we breathe.
Oxygen
Yes
No, it is not.
You breathe in about 78 percent nitrogen. The amount that you breathe in varies.
Oxygen