Nitrogen doesn't contain air, but the air contains Nitrogen.
About 78% of air is Nitrogen.
There is about 78.09% of nitrogen in the air.
Our air is about 79% Nitrogen.
Air is 78% Nitrogen
78% portion of air is nitrogen.
The atmosphere is 78.08% Nitrogen78%70%
Nitrogen, you can't survive on it obviously but you breath it in every day it is the most abundant gas in the atmosphere followed by oxygen I think.
the concentraction of nitrogen in the air is very high
dry air contains 78% nitrogen.
Air contains about 78% nitrogen by volume.
87% of nitrogen is in the air