character: Ms. Johnson
topic: Acid Rain and Its Effects
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: Environmental Chemistry and Pollution
grade: 11
subject: Chemistry
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character: Mr. Adams
topic: Impact of Acid Rain on Ecosystems
grade: 11
subject: Chemistry
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character: Ms. Lee
topic: Chemical Reactions in the Atmosphere
grade: 11
subject: Chemistry
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