fresh air is so important because you need to breath fresh air not all this musty discusting air or your lungs will be all clogged up and you could get sick and die
it keeps your lungs healthy and other air can be foul and full of chemicals that will harm your lungs
Its breath of fresh air.
That it cleans the carbon dioxide from the air so we can breathe in fresh oxygen
Fresh air
It's always important to have fresh water near any human habitation, since water is second only to air in our requirements for life.
to keep people healthy and continuous flow of fresh air.
they don't need fresh air
The duration of Fresh Air is 3000.0 seconds.
A collective noun for air is a breath of air.
humans, plants, and animals needs fresh air
The air smelt as fresh as newly mown grass.