The six pollutants regulated under the clear air act between 1970 and 2001, while energy consumption increased 42 percent.
increased only 6 percent
decreased 39 percent
decreased 24 percent
remained stable

increased only 6 percent

Explanation:

The six pollutants regulated under the Clear Air Act increased only 6 percent between 1970 and 2001, while energy consumption increased 42 percent.

Explained

Explanation:

The six pollutants regulated under the clear air act are

Clear air act is the first and most comprehensive air quality control law and is under U.S. Environmental Protection agency.

A study of 2017 shows it causes a reduction of 10% in pollution within 3 years of implementation.

the answer would be c