Answer:Explained
Step-by-step explanation:
The six pollutants regulated under the clear air act are
- lead
- PM
- Sulfur dioxide
- carbon monoxide
- nitrogen oxides
- ozone
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.