character: Ms. Sarah Patel
topic: Sources of Air Pollution and Their Effects
grade: 9
subject: Chemistry
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character: Dr. Emily Chang
topic: Impact of Air Quality on Health
grade: 9
subject: Chemistry
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character: Mr. John Thompson
topic: Chemical Reactions in Air Pollution
grade: 9
subject: Chemistry
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character: Mrs. Linda Garcia
topic: Greenhouse Gases and Atmospheric Changes
grade: 9
subject: Chemistry
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