Ask Question
21 August, 21:23

Why was 1990 an important year regarding air quality?

+5
Answers (2)
  1. 22 August, 00:26
    0
    Why was 1990 an important year regarding air quality? Check all that apply.

    2. Cost-effective ways to reduce pollution were emphasized.

    4. Modifications and improvements were made to the Clean Air Act.

    i just took the test this is 100% correct
  2. 22 August, 00:35
    0
    100%

    2 and 4
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Why was 1990 an important year regarding air quality? ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers