Which of the following pollutants have NOT decreased dramatically since the Clean Air Act was passed:

Question

Quizplus · Accepted Answer

Ozone levels have not decreased as dramatically as other pollutants like lead and particulates since the Clean Air Act was passed. While there have been improvements in air quality and reductions in many pollutants due to regulations and efforts under the Clean Air Act, ground-level ozone remains a challenging pollutant to control effectively.

Which of the Following Pollutants Have NOT Decreased Dramatically Since