The strictest set of laws regulating air pollution were in place following federal action in this year.
A) 1963
B) 1970
C) 1977
D) 1990
Correct Answer:
Verified
Q82: _ of people worldwide live in nonattainment
Q83: Studies of precipitation have found that the
Q84: Individual states that are not in compliance
Q85: The first law at the national level
Q86: Compared to surrounding rural areas,night-time temperatures in
Q88: With reference to urban heat islands,the temperatures
Q89: The EPA issued regulations in 1997 that
Q90: Catalytic converters
A)convert vehicle emissions to nitrogen oxides
Q91: Regarding urban heat islands,it is true that
A)scientists
Q92: The spatial distribution of air quality nonattainment
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