character: Dr. Johnson
topic: Impact of Acid Rain on Freshwater Ecosystems
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: Effects of Pollutants on Aquatic Life
grade: 11
subject: Chemistry
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character: Ms. Baker
topic: Chemical Composition of Rainwater
grade: 11
subject: Chemistry
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character: Mr. Lee
topic: Strategies for Mitigating Acid Rain
grade: 11
subject: Chemistry
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