astronauts wear special helmets and clothing that contains human air in it so the human can breath.
oxygen! There is 21 percent oxygen in inspired ( the stuff you breath in) air and 13 percent in expired(the stuff you breath out)
Oxygen makes uo 20% of the air we breath.
It is filled with heated air. Since air is mostly nitrogen, a hot air balloon is mostly filled with nitrogen.
Your breath forms a cloud on a cold day because your breath is warmer than the air, so it creates fog.
Air is about 79% (volume) Nitrogen (N2). It is a gas at atmospheric conditions.
When you breath air it is mostly nitogen and oxygen.
Yes. Air is about 80% nitrogen.
Crocodiles do not breath in water. They use their nostrils to breath in and out air while they are mostly submerged.
I think mostly oxygen, and some nitrogen. Also, some carbon dioxide.
yes they both do but mostly fish use gills.
The air we all breath is over 70% nitrogen and although we do not need this it is not toxic to us, most of the rest of the air we breath is the oxygen we need to remain alive.
I think mostly oxygen, and some nitrogen. Also, some carbon dioxide.
The same gas as the Air we breath. (Mostly Nitrogen, Oxygen and Argon)
A collective noun for air is a breath of air.
Earths atmosphere is mostly nitrogen (78%) and Oxygen (21%).It is the oxygen that is the essential gas for breathing.
Its breath of fresh air.