Want this question answered?
Oxygen
you breathe
Typically, the air you breathe is comprised of 18 to 21 percent Oxygen.
20% of 20% is 4% (=0.04)
20 percent of 42 = 8.4
oxygen is 20% of the air you breathe
Oxygen
Oxygen
Oxygen
20.95% is oxygen
You do breathe when you sleep. Everyday you breathe so you don't always "sleep when you breathe".
You breathe air everyday
you breathe
Typically, the air you breathe is comprised of 18 to 21 percent Oxygen.
You breathe out 16.3% oxygen.
You breathe in about 78 percent nitrogen. The amount that you breathe in varies.
Your diaphragm helps you breathe the air you need every day.