All of the following are problems that remain to be solved in the United States with respect to air pollution except
A) Dramatically reducing emissions from older power and industrial plants
B) The current laws do not deal seriously with indoor air pollution.
C) Enforcement of the Clean Air Act is too stringent.
D) Airports are exempt from many air pollution regulations.
E) Two-cycle engines need to be regulated more effectively.

Question

Quizplus · Accepted Answer

Enforcement of the Clean Air Act is not too stringent; in fact, many experts argue that enforcement needs to be strengthened to better address air pollution. The other choices all represent ongoing problems with air pollution in the United States that still need to be addressed.

All of the Following Are Problems That Remain to Be