Over the past 40 years in the United States,the number of vehicles on the road has
A)increased,the number of vehicle miles has increased,and the pollution per car has increased.
B)increased,the number of vehicle miles has increased,but the pollution per car has decreased.
C)decreased but the number of vehicle miles has increased,and the pollution per car has increased.
D)decreased,the number of vehicle miles has decreased,and the pollution per car has decreased.

Question

Quizplus · Accepted Answer

The number of vehicles on the road has increased over the past 40 years in the United States, as well as the number of vehicle miles driven. However, due to advancements in technology and regulations, the pollution per car has decreased. Therefore, option B is the correct choice.

Over the Past 40 Years in the United States,the Number