Which of the following is true of the national ambient air quality standards (NAAQS)?
A) The federal government has the right to enforce the air pollution standards if the states fail to do so.
B) The state governments are responsible for setting air quality standards in their respective states.
C) Human beings are protected under the secondary level of the NAAQS.
D) Only standards for oxides of elements and articulate matter are evaluated under the NAAQS.

Question

Quizplus · Accepted Answer

The federal government has the authority to enforce the air pollution standards set by the NAAQS if the states fail to do so.

Answer: C
 The NAAQS includes two levels of standards - primary and secondary. The primary level is designed to protect human health, while the secondary level is designed to protect the environment, including crops, animals, and ecosystems. Therefore, human beings are protected under the secondary level of the NAAQS.

Therefore, the correct choices are A and C.

Which of the Following Is True of the National Ambient