Which of the Following Is True of the National Ambient

Multiple Choice

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.