Air quality in most U.S.cities has ____ since World War II.
A) worsened
B) improved
C) remained unchanged
D) improved slightly before a recent deterioration
Correct Answer:
Verified
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Q72: Which of the following is an example
Q73: Some of the newer pollutants that have
Q74: The British economist A.C.Pigou did not do
Q75: Since World War II,
A)air pollution has worsened
Q77: Which of the following statements is incorrect
Q78: Which of the following statements is not
Q79: China, the last large communist society,
A)has proved
Q80: Pollution problems
A)have existed for many centuries.
B)are attributable
Q81: Economists consider environmental pollution to be a(n)
A)externality.
B)pure
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