Question

HELP PLEASE !!

How does geography play a role in Mexico City’s air pollution problem?

A. The number of cars has increased in the last ten years.
B. It is one of the world’s most populated cities.
C. The passing of NAFTA has allowed for more factories to be built in Mexico.
D. It lies in a valley, surrounded by mountains, that traps in air pollutants over the city.

Answer 1

The answer is D

Step-by-step explanation:

Being in a valley results in air pollution being contained to an area.