Increased regulations have affected air pollution in the United States. According to the EPA, in the last 30 years, air pollution levels have been
A) cut in half.
B) increasing steadily.
C) reduced by about 10%.
D) at an all-time high.
E) eliminated.
A
Political Science
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What is the key difference between a progressive tax and a regressive tax?
a. income levels b. level of education c. occupation d. the president’s party
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