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How many percent of oxygen does air contain?
Air typically contains about 21% oxygen by volume.
What percent of the air we breath is oxygen?
Roughly 21% of the air we breathe is oxygen. Nitrogen makes up about 78% of the air, with the remaining 1% composed of various other gases.
How many percent does oxygen contain?
Oxygen makes up about 21% of Earth's atmosphere by volume.
Oxygen composes approximately what percent of the air we breathe?
Oxygen makes up about 21% of the air we breathe.
What element makes up about 80 percent of the air you breath?
Nitrogen makes up about 78% of the air we breathe, with oxygen making up around 21%.
What is oxygens percentage?
Oxygen typically makes up about 21% of Earth's atmosphere by volume.
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)
How many percent of oxygen does air contain?
Air typically contains about 21% oxygen by volume.
Makes up approximately 21 percent of the air?
oxygen
What percent of the air we breath is oxygen?
Roughly 21% of the air we breathe is oxygen. Nitrogen makes up about 78% of the air, with the remaining 1% composed of various other gases.
How many percent does oxygen contain?
Oxygen makes up about 21% of Earth's atmosphere by volume.
Oxygen composes approximately what percent of the air we breathe?
Oxygen makes up about 21% of the air we breathe.
What makes up almost 80 percent of air?
Nitrogen makes up almost 80 percent of air. Oxygen makes up about 21 percent, with the remaining 1 percent made up of various gases such as carbon dioxide, argon, and others.
What is the approximate percent of oxygen by volume present earths lower atmosphere?
Oxygen makes up about 21% of Earth's lower atmosphere by volume.
Does oxygen make up 40 percent of the air?
No , it makes up 20.9% of air , almost 21%
What element makes up about 80 percent of the air you breath?
Nitrogen makes up about 78% of the air we breathe, with oxygen making up around 21%.
What percent does oxygen make up in our atmosphere?
There is approximately 21 % oxygen in our air.
