air is used in a dingy and yes air is a gas
Air
Gas used in air conditioners are: R12 freon is dichlorodifluoromethane R134a is Tetrafluoroethane
Just regular air, which is heated. That's why they are called hot air balloons! The fuel gas used for heating the air is usually propane.
yes
The gas is hot air.
helium
It is xenon
Gas masks are used when the air is polluted so they give you fresh air. They are often used when there is toxic gases around.
A gas mask is used to filter out toxic agents in the air.
They poach them for their horns. The horns are used for supposed medical use or sold for money.
Hot air is used for hot air balloons.