Oxygen is the gas that is required for respiration.
For all animals: oxygen.
According balanced equation ,3 mols are needed. So 3mol shoul be mixed
Oxygen
carbon dioxide
When you resubmit your question please indicate which gas is of interest to you.
If you didn't pass gas when you needed to you would get a pain in your stomach.
oxygen
CO2 is needed for it. That is to get carbon
Oxygen is needed to feed the flame.
Carbon dioxide.
Oxygen.
Oxygen
Oxygen
OXYGEN
Heat
Oxygen
oxygen