character: Ms. Sarah Johnson
topic: Environmental Chemistry: Analyzing Pollutants
grade: 12
subject: Chemistry
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character: Dr. Emily Carter
topic: Chemical Reactions in Pollutant Decomposition
grade: 12
subject: Chemistry
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character: Mr. David Lee
topic: Impact of Acid Rain on Ecosystems
grade: 12
subject: Chemistry
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character: Ms. Rachel Adams
topic: Green Chemistry Innovations for Reducing Pollution
grade: 12
subject: Chemistry
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