character: Ms. Sarah Johnson
topic: Techniques for Analyzing Air Pollutants
grade: 11
subject: Chemistry
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character: Mr. Robert Lee
topic: Impact of Air Quality on Health
grade: 11
subject: Chemistry
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character: Dr. Emily Carter
topic: Chemical Composition of Common Air Pollutants
grade: 11
subject: Chemistry
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character: Ms. Angela White
topic: Methods for Measuring Air Quality
grade: 11
subject: Chemistry
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