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


Please select the best answer from the choices provided.

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Kalahira
The answer is true. This Act gave assets to government inquire about in air contamination. The Clean Air Act of 1963 was the principal government enactment with respect to air contamination control. It built up a government program inside the U.S. General Health Service and approved research into procedures for observing and controlling air contamination.
W0lf93
i think that statement would be true. After the clean air act, companies in united states were forced to tighten their regulation in waste management or their are forced to pay a specific amount increase in their taxes, which eventually lead to a decrease of pollution in the country.

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