Air contains about 78% nitrogen by volume.
Air is 78% Nitrogen
Nitrogen dioxide in air = 0.02 ppm
78%
78% 0of the air we breathe is nitrogen, same as the amount in the air.
The Earth's atmosphere contains 78% nitrogen.
There is about 78.09% of nitrogen in the air.
Air is 78% Nitrogen
Nitrogen dioxide in air = 0.02 ppm
The atmosphere is 78.08% Nitrogen78%70%
78%
78% 0of the air we breathe is nitrogen, same as the amount in the air.
Air is about 78% nitrogen pretty much everywhere on Earth.
The Earth's atmosphere contains 78% nitrogen.
78%
99% of air
70/78 aiR
Oxygen keeps animals alive, Nitrogen is not much use.