7 to 8 liters a day
they don't need fresh air
Rooms with a gas fire place need fresh air because the gas and the fire put off too much carbon monoxide. The fresh air will keep you from getting carbon monoxide poisoning.
No need for it. The air in the desert is probably of much better quality than the air found in most cities.
air that is not fresh contains chemicals which are harmful to your lungs and other organs.
they need fresh air to make colloraphyll, which is part of their process of living. if they do not have air, than they can not make natural sugar either.
fresh air
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
children need recess because we need fresh air
Depends on what year trans am your talking about, need the year.
you need a fresh air and the sun and the water.
If the fresh air intake has a filter, you can change it as necessary. I would imagine once a year would enough.
it was 1996