Dry air is about 80% nitrogen. The remaining 20% consists mostly of things that are heavier than nitrogen, so dry air is very slightly heavier than nitrogen.
because it is denser &/or the molecules are closer together
Nitrogen doesn't contain air, but the air contains Nitrogen.
Our air is about 79% Nitrogen.
yes the softball is heaver bc of the bigger it is. now i don't think a softball is heaver of air mass. but yes a softball is heaver!
Heaver is the correct spelling.
Yes. About 75% of air is Nitrogen.
About 78% of air is Nitrogen.
There is about 78.09% of nitrogen in the air.
The atmosphere is 78.08% Nitrogen78%70%
Air is 78% nitrogen, and most tyres are inflated with air, so mixing pure nitrogen with air would not be a problem.
dry air contains 78% nitrogen.
78% of air breathed is nitrogen