Because that's how much there is, even if there were more oxygen in air than nitrogen this would be unhealthy!
The percentage of nitrogen in pure, dry ,standard air is 78,084 % (by volume).
It has 23 percentage of nitrogen gases. Also it can be a fun and secret place to have sex, with .
The question is totally misguided. Nitrogen is the most abundant gas in the atmosphere, representing around 78%. Its crustal abundance is not quite that high because it is not a very reactive element.
78 percentage of nitrogen.21 percentage of oxygen.1 percentage of other gases. Example-argon,carbon dioxide,helium,neon & methane. -superman
The percentage of oxygen in air is 21%.
the concentraction of nitrogen in the air is very high
About 78% of air is Nitrogen.
The percentage of nitrogen in pure, dry ,standard air is 78,084 % (by volume).
78% of air breathed is nitrogen
It has 23 percentage of nitrogen gases. Also it can be a fun and secret place to have sex, with .
Air contains approximately 78% nitrogen gas.
the ones that are in the air/-Nitrogen has the greatest percentage of the air we breathebitches love nitrogen.
About 78%.
80%
The Earth's atmosphere contains 78% nitrogen.
About 79% of earth's atmosphere is Nitrogen.
Nitrogen 78% , Oxygen 21%.