character: Mr. Thompson
topic: Environmental Impact of Chemical Pollutants
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: Effects of Heavy Metals on Ecosystems
grade: 11
subject: Chemistry
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character: Ms. Johnson
topic: Acid Rain: Causes and Consequences
grade: 11
subject: Chemistry
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character: Professor Lee
topic: Chemical Waste Management Strategies
grade: 11
subject: Chemistry
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