Question

Why do cities in warm and dry climates tend to have more air pollution?​

a. ​There are more automobiles in these areas.

b. ​These locations are usually surrounded by mountains that trap the air pollution.

c. ​There are more plants and trees that promote the formation of VOCs.

d. ​There are more chemical reactions that can happen in dry climates.

e. ​There are no natural pollution reduction factors such as precipitation and salty sea spray.

Answer

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