Of the following _________________, is not yet regulated by the EPA.
A) ozone
B) sulfur and nitrogen oxides
C) carbon monoxide
D) carbon dioxide
E) lead

Question

Quizplus · Accepted Answer

Carbon dioxide is not yet regulated by the EPA. While it is considered a greenhouse gas and contributes to climate change, it is not currently considered a pollutant in the same way as the other options listed. However, there are efforts underway to regulate CO2 emissions as part of broader efforts to address climate change.

Of the Following _________________, Is Not Yet Regulated by the EPA