Air by definition is a mixture of gases. Within this mixture, 78% is nitrogen and 20% is oxygen. The remainder is argon and trace gases.
This Question has not been answered yet. Genesis Roxx[:
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21% Oxygen, 78% Nitrogen, 1% other gasses in out atmosphere.
45 percent of the earths oxygen is produced by our oceans
Photosynthesis converts carbon dioxide into oxygen. Therefore, much of the oxygen in our atmosphere is present due to photosynthesis.
Nitrogen makes up about 77% of earths gasses oxegen is 21% of earths gases corbon dioxide is 1% arogon is 1% as well
The earths atmosphere is made up of 78% nitrogen and 21% oxygen
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Assorted gases such as argon, the rest of the atmosphere is pretty much just Oxygen and Nitrogen.
Nitrogen accounts for 78% of the atmosphere.
This Question has not been answered yet. Genesis Roxx[:
The earths atmosphere is made up of 78% nitrogen and 21% oxygen
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If there were no atmosphere, there would be no plants and animals.
I don't know what the figure is, but it must be pretty low because carbon monoxide is poisonous and we don't seem to suffer too much.
JUPITER's ATMOSPHERE IS MUCH THCKER THAN THE EARTHS!
No