Which gas is air mostly made up from
it is mostly made up of rock
Methane
It is mostly gas, but it has a solid core.
It is mostly rock.
It is made up of mostly sulfuric acid clouds
Dust and gas
it is made up of mostly gas
The Gas Giants are mostly made up of gas.
It is normally know as 'air' and air is made up mostly of nitrogen and oxygen. Oxygen is the gas that the body needs to survive.
Humans can't live on Uranus as there is no air, and the planet is made up mostly of gas, I believe.
it is mostly made up of rock
Carbón dioxide gas
Clouds are mostly made up of water vapor, which is indeed a gas. Air itself isn't a gas, but it is made up of many different gases, such as nitrogen, oxygen, argon, carbon dioxide, and many others.
Air is about 78% nitrogen
Mostly gas and ice
Methane
This is a little like asking 'Why is iron mostly metal?' Atmospheres are made up of gas.