character: Ms. Johnson
topic: Effects of VOCs on Air Quality
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: Understanding Air Pollutants
grade: 11
subject: Chemistry
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character: Mr. Lee
topic: Chemical Reactions in the Atmosphere
grade: 11
subject: Chemistry
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character: Ms. Brown
topic: Impact of Indoor Air Quality on Health
grade: 11
subject: Chemistry
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