Air produces oxygen for humans to breath and also plants
Because it doesn't produce air to begin with. The air exists in the atmosphere, and is compressed by a compressor.
Hot Air
Sound
plants need air to produce their food
Yes it will produce condensation
Liquid air.
because it does
Vibrating gasses, like air, produce longitudinal waves of pressure, some of which can be perceived as sound. If the molecules are ionized, they will also produce electromagnetic radiation.
Tornadoes do not produce gasses. They are made of air and do not change its composition.
An Warm air mass
An indication of absolute air pressure.
Air && an instrument (;