The gas you need to stay alive is Oxygen, you need oxygen to carry vital functions of body, when you inhale oxygen, its goes directly into the lungs and through alveolis, which are present in lungs oxygen get absorbed into blood which is then taken to heart and heart pumps the blood to each and every part and organ of the body, so like this your body works.
we need oxygen to stay alive, we also need it for burning things. Oxyegen can re- light a burning splint!
well oxygen!
Oxygen!
Oxygen
oxygen
oxygen
Oxygen
Oxygen
Oxygen is the gas that is required for respiration.
Gas will stay in a cup. If the gas is denser then air, it will settle into the cup and stay there in much the same way that a liquid will. If the gas is close to the same density as the air, or lighter, it will float away and mix with the air.
The element is oxygen.
well when mankind was alive it herd its first farts so this putride gas was released that plants must use as a gas due to our nast buttoxies
Oxygen is needed to stay alive. Without it you suffocate.
Oxygen
people needed salt to stay alive and to preserve their food people needed salt to stay alive and to preserve their food
natural gas
To stay alive or liviing
they are needed because it will help them stay alive and grow beautiful and so they stay healthy ok :)
The Romans needed water, food and shelter to stay alive just like everyone else.
oxygen
plants need oxygen to stay alive and carbon dioxide for photosynthesis
Oxygen.
because your a dumb POS
They can perform only some of the activities needed