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How much oxygen in the air percentage?
20.8 percent
What percent of the air we breath is oxygen?
About 21% of air is oxygen.
What percent does oxygen make up in our atmosphere?
There is approximately 21 % oxygen in our air.
What makes up 21 percent of the air by volume?
Oxygen.
How much of the air oxygen?
21% of the atmosphere is oxygen.
How much oxygen in the air percentage?
20.8 percent
How much oxygen does exhaled air contains approximately?
A small percent . exhaled air always contains oxygen .
What percent of the air we breath is oxygen?
About 21% of air is oxygen.
How much percent of oxgyen you breathe?
Typically, the air you breathe is comprised of 18 to 21 percent Oxygen.
What percent of the outdoor air is oxygen?
21 percent
What in the air that has 20 percent?
oxygen
What makes up 21 percent of the air?
oxygen! There is 21 percent oxygen in inspired ( the stuff you breath in) air and 13 percent in expired(the stuff you breath out)
What is the amount of oxygen in the atmosphere?
Air is 20.5 percent oxygen.
What is air made out of?
air is made of 19.98 percent oxygen 79 percent nitrogen and 2 percent carbon
What is the concentration of oxygen in air?
21 percent.
What percent of oxygen to much to support life?
The percent of oxygen is 27. this increases the natural percent of 21 by 6 percent causing living organisms to have too much oxygen.
Why is oxygen 21 percent and nitrogen 78 percent?
This is the composition of the air.
