Which is not necessary for photochemical smog?
A) sulfur dioxide
B) sunlight
C) free radicals
D) nitrogen dioxide
Correct Answer:
Verified
Q5: Aerosols enhance smog by
A) concentrating pollutants.
B) producing
Q6: Which is not a practical way to
Q7: Major particulate emissions come from
A) volcanic eruptions.
B)
Q8: A polynuclear aromatic hydrocarbon capable of causing
Q9: What type of very reactive chemical species
Q11: Sulfur dioxide is given off by burning
A)
Q12: Which of the following is not considered
Q13: The primary source of carbon monoxide (CO)
Q14: When coal and fuel oil are burned,
Q15: The primary source of global SO2 in
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