In the United States, ______________ people live in counties where they are exposed to unhealthy levels of air pollution.
A) 10 percent of
B) 20 percent of
C) 42 percent of
D) 85 percent of
Correct Answer:
Verified
Q23: The ozone layer of Earth's atmosphere
A)creates acid
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Q36: Exposure to indoor air pollution increases the
Q39: Desertification refers to the
A)depletion of water supplies
Q39: Depletion of the ozone layer is caused
Q41: The seasonal "Dead Zone" in the Gulf
Q42: Which of the following is NOT one
Q43: In 2011, each U.S.citizen generated about _
Q44: Many of the chemicals we are exposed
Q60: More than half of solid waste in
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