Oxygen (O2).
They breathe a combination of oxygen and niteragine gas in space.
Oxygen is used to help people breathe in and out
Astronauts use compressed oxygen mixed with nitrogen fo produce their breathing gas.
the gas mask is important because if you are somewhere when you cant breathe they will help you breathe
The gas that we don't use in our lungs we breathe out again.
You put it on your face and you wear it. Then you breathe into it.
when you breathe out,the gas that is emitted is
The same air that we breathe !!
we breathe out a gas called carbon dioxide
Liquid oxygen and liquid hydrogen are used as rocket fuel, oxygen gas is used by the astronauts to breath.
Oxygen. You breathe out CO2
It is extremely light and non-flammable so ideal for balloons. It is an ideal carrier gas for Gas Chromatograhy for laboratories all over the world. At certain pressures when scuba diving it is used with oxygen to breathe.