Water, and compressed air as a propellant.
Plasma.
yes it can be filtered by an air filter
You can put Air in Air Shocks Not Air Bags
air, water
air is one
Pollution?
Advection is the horizontal movement of air or substances in the atmosphere. It influences the movement of substances by carrying them along with the flow of air, spreading them over large distances. This can impact weather patterns, air quality, and the distribution of pollutants in the atmosphere.
Air contain nitrogen, oxygen, other minor noble gases, ozone, carbon dioxide water vapors, fumes, powders.
Oxygen
air pollution
c20