oxygen
Cows can't survive on gas alone. Neither can humans. Both cows and humans need food and water to survive, not just oxygen (which is a gas we breathe).
Oxygen is used to help people breathe in and out
She died in a Gas Chamber. She couldn't breathe because the bathrooms were filled with Zyklon B.
the lungfish
It is compressed to > 120 psi
Oxygen we inhale oxygen and exhale carbon dioxide
Carbon dioxide is the gas you breathe out the second most. Oxygen is the gas you breathe out the most.
An octopus cannot breathe on land and requires water to survive.
The gas you breathe in from the air is called oxygen.
when you breathe out,the gas that is emitted is
Oxygen. You breathe out CO2
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.