Oxygen
the gas mask is important because if you are somewhere when you cant breathe they will help you breathe
Oxygen
Oxygen
There are many reasons why gases are important to us. For example, the air that we breathe is a gas.
Carbon dioxide is the gas you breathe out the second most. Oxygen is the gas you breathe out the most.
when you breathe out,the gas that is emitted is
The gas you breathe in from the air is called oxygen.
Oxygen. You breathe out CO2
gas
a tiger breathe in oxygen and breathe out carbon dioxide
Oxygen
Plants breathe in a gas called carbon dioxide and then they breathe out the gas called oxygen which is what we breathe in! Also there is most likely a type of living thing which no human has ever discovered and so there may be milllions of kind of living things that may not breathe in oxygen - they might not even breathe in a gas!