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they have many cars and factories
Because of the air pollution China produces (1/3 of the globes total air pollution)
Beijing popular country and they have many cars and factories Athens- No iidea sorry :(
a lot but there's different types
smoke gas smell pollution
For example, the air pollution is caused by cars, plane etc. so like that on earththere isn't a lot of air and the people can't , that's how.
u have to make pollution in the air and a Lot of wind
A lot of people burn their trash so it releases toxic waste into the air.
You create a lot of air pollution, rubber does not burn cleanly.
air pollution travels in the air
by if there was a lot of clean air more than dirty it will mix so it will turn more clean
Because of the fresh cold air. Cities have a lot of pollution so the air there is not as fresh.
The air pollution levels in Shanghai, China are bad due to the extreme population of the area. There is a lot of industry and unfortunately they do not have the proper laws in place to avoid causing extreme pollution levels.