Emissions of all of the following have gone down in the last 40 years except for
A) carbon monoxide.
B) lead.
C) particulate matter.
D) sulfur dioxide.
Correct Answer:
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Q12: Unconventional (noncriteria) pollutants are characterized by all
Q13: The result of reduced concentrations of ozone
Q14: Smoking causes the premature death of more
Q15: Substance(s) that qualify to be called particulate
Q16: Some hazardous air pollutants are known carcinogens.
Q18: Secondary pollutants
A) Harm only vulnerable members of
Q19: Most air pollution in the world is
Q20: Air pollution deaths related to a four-day
Q21: A common example of a photochemical oxidant
Q22: Many fish contain high levels of _
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