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Correct Answer: B) Photochemical Smog.
Correct Answer: B) Anything below 7.
Correct Answer: A) Donora Fluoride Fog and London Smog.
Correct Answer: B) Increased cases of skin cancer.
Correct Answer: C) Human activities.
Correct Answer: C) Transportation.
Correct Answer: C) Aluminum.
Correct Answer: C) Most of Asia.
Correct Answer: D) UV-C radiation.
Correct Answer: D) Photochemical smog.
Correct Answer: C) Bangkok, Thailand.
Correct Answer: B) Smog and acid rain.
Correct Answer: A) 0$_{3}$.
Correct Answer: C) Cause dizziness.
Correct Answer: D) Catalytic Converter.
Correct Answer: B) Ground-level ozone.
Correct Answer: D) $^{o}$3.
Correct Answer: D) I and III only.
Correct Answer: C) Emissions.
Correct Answer: C) Sore muscles.
Correct Answer: D) All of the above.
Correct Answer: D) Particulate matter.
Correct Answer: C) Has stabilized at 5 ppb.
Correct Answer: C) Troposphere.
Correct Answer: D) Both (b) and (c).