character: Ms. Sarah White
topic: Air Quality and Human Health Risks
grade: 12
subject: Chemistry
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character: Dr. John Smith
topic: Impact of Pollutants on Respiratory Health
grade: 12
subject: Chemistry
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character: Professor Emily Green
topic: Chemical Composition of Airborne Particles
grade: 12
subject: Chemistry
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character: Mr. James Brown
topic: Toxicology of Air Contaminants
grade: 12
subject: Chemistry
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