Carbon dioxide
This gas is oxygen from air.
yes oxygen is the gas that helps us breath without it we would die
Nitrogen.
carbon dioxide
the gas is may be another chemical that the fish can breath at the surface an can help to make the fish can breath at small air and big water.
Oxygen
carbon dioxide
Your breath is a gas
Your breath is a mixture of gases (including a combination of nitrogen, oxygen, carbon dioxide, and a few inert gases). ITS A GAS IT IS NOT LIQUID YOU DUBM @$$ NOT THAT HARD
breath
It is mainly caused by the wind we breath and the certain food we eat that causes gas.
You use your lungs to breath. Your heart pumps the blood round your body (including into and out of the lungs where gas exchange occurs when you breath).