Compared to 35 years ago,air quality in the United States is

A) Much worse
B) Worse
C) Virtually the same
D) Better

Question

Compared to 35 years ago,air quality in the United States isA) Much worseB) WorseC) Virtually the sameD) Better

Christian Padayao · Accepted Answer

Final Answer : D, Explanation :  Since the implementation of the Clean Air Act in 1970, air quality in the United States has significantly improved. Between 1990 and 2018, emissions of common air pollutants decreased by 74%, and the number of unhealthy air quality days decreased by more than 75%. While there are still areas with air pollution issues, overall, air quality in the United States has improved over the past 35 years.

Compared to 35 years ago,air quality in the United States is

A) Much worse
B) Worse
C) Virtually the same
D) Better

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