Natural gas
Radon
No
air pollution which is gas and stuff and land pollution which is litering.
Any type of pollution
Oil pollution,Water pollution,Amazon pollution,Land pollution,Air pollution.
Human can cause pollution by trash throwing trash in the lake or on the ground or by in type of fuels or smoke or gas in the air this is call air pollution but smoking and gas form disels can cause pollution and can be bad for the ecosystem and they can also cause it by throwing all the trash they throw down on the ground help people and stop throwing trash on the ground.
No, water pollution is in our rivers and oceans, atmospheric pollution is gas and other contaminants up in the air.
Chlorine gas.
It causes pollution
Radon gas, which despite its molecular weight can be pushed upward from underground, and remain in walled or windowless basements.
The answer is in the question, because they use Gas.