In which of the following regions is smog most likely to be a concern?

Question

Quizplus · Accepted Answer

The San Fernando Valley is a heavily populated and industrialized region in Southern California, which makes it more likely to have high levels of air pollution, including smog. Mount Rainier and the Florida coastline are not typically associated with high levels of smog, and while an industrial farm in Nebraska could potentially contribute to air pollution, it is not necessarily a consistent concern in that region.

In Which of the Following Regions Is Smog Most Likely