Which statement describes air pollution around the world?

A.

Air pollution is a problem in every part of the world.

B.

Air pollution is only a problem in some areas over the ocean.

C.

Air pollution is only a problem in countries with many volcanoes.

D.

Air pollution is a problem in countries with industry and large populations.

Respuesta :

Answer: D. Countries with large populations and factories have a lot of green house gasses, which cause air pollution.
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