Photochemical smog is characteristic of urban areas with many vehicles and a climate that is ____.
A) cool and cloudy
B) cool, dry, and sunny
C) warm and sunny
D) warm, wet, and cloudy
E) cool, wet, and sunny

Question

Quizplus · Accepted Answer

Photochemical smog is formed by the reaction of sunlight with pollutants emitted by vehicles, such as nitrogen oxides and volatile organic compounds. Therefore, a warm and sunny climate is necessary for the reaction to occur and for photochemical smog to form.

Photochemical Smog Is Characteristic of Urban Areas with Many Vehicles