The percentage of nitogen in outdoor air is 78%. 21% is oxygen, and 1% is water vapor, argon, carbon dioxide, and other gases.
Our air is about 79% Nitrogen.
Air is 78% nitrogen
87% of nitrogen is in the air
21 percent
78%
If by 'our gas' you mean air, then roughly 78% of air is Nitrogen.
21%
78%
The answer is.................AIR
78% in air.
78 percent Air is mostly gas The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.
Because air is composed of nitrogen (not 100% mind you) and when you exhale air, you also exhale nitrogen.