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sweet-ann [11.9K]
3 years ago
14

Since the implementation of the Clean Air Act, the concentrations of all major air pollutants have decreased.

Health
2 answers:
Sliva [168]3 years ago
8 0

Answer:

<h2>The correct is T TRUE</h2>

Explanation:

Setler [38]3 years ago
6 0

Answer:

true

Explanation:

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