The Clean Air Act of 1970 has _____
A)been ineffective at reducing lead emissions in automobiles.
B)actually caused an increase in auto emissions.
C)been fairly successful in reducing auto emissions, especially lead.
D)been unsuccessful in reducing auto emissions, especially sulfur oxides.
E)been ineffective at reducing carbon monoxide emissions.

Question

Quizplus · Accepted Answer

The Clean Air Act of 1970 has been fairly successful in reducing auto emissions, especially lead. Since the implementation of the act, lead emissions from automobiles have decreased by more than 98%. However, it has not been as effective in reducing other pollutants such as sulfur oxides and carbon monoxide.

The Clean Air Act of 1970 Has _____