Mexico City's most pressing environmental issue is

A)

mountain erosion.

B)

dangerous air pollution.

C)

erosion along the coastline.

D)

cutting down of the rainforest.

Verified Answer :

Mexico City's most pressing environmental issue is  dangerous air pollution. Correct answer: B

In 1992, the United Nations described Mexico City’s air as the most polluted on the planet. Industrial growth, a population boom (from three million in 1950 to some 20 million today), and the proliferation of vehicles are the factors that contributed to the huge air pollution.

Answer: B

Dangerous air pollution

Explanation:

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