Where are pollution levels up to 18 times higher inside than they are outside in traffic-clogged urban settings?
A) Office buildings
B) Construction sites
C) Fuel stations
D) Homes located near freeways
E) Inside automobiles

Question

Quizplus · Accepted Answer

Inside automobiles, pollution levels can be up to 18 times higher than the surrounding outdoor environment in traffic-clogged urban areas. This is due to the close proximity to exhaust emissions from other vehicles and the limited circulation of air within the vehicle.

Where Are Pollution Levels Up to 18 Times Higher Inside