Nitrogen.
Oxygen
Nitrogen.
0.00015 = 0.015 percent
The element that makes up approximately 0.9 percent of the air is argon. Argon is a noble gas and is the third most abundant gas in the Earth's atmosphere, following nitrogen and oxygen. It plays a minimal role in chemical reactions due to its inert nature.
Oxygen
Oxygen makes up 21 percent of the air by volume.
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.
It is nitrogen and it makes more than 78% of the air.
Nitrogen.
oxygen! There is 21 percent oxygen in inspired ( the stuff you breath in) air and 13 percent in expired(the stuff you breath out)
oxygen
Troposphere is name of the layer. It contains 75 percent of the air.
Oxygen
Oxygen makes up about 20% of Earth's atmosphere.
Oxygen makes up about 21% of the air we breathe.
No, it makes up almost 0.04% of dry air.
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