character: Dr. Smith
topic: Effects of Acid Rain on Water Bodies
grade: 11
subject: Chemistry
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character: Dr. Johnson
topic: Impact of Acid Rain on Freshwater Ecosystems
grade: 11
subject: Chemistry
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character: Ms. Lee
topic: Chemical Changes in Water Bodies due to Acid Rain
grade: 11
subject: Chemistry
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character: Professor White
topic: Acidic Precipitation and Its Biological Consequences
grade: 11
subject: Chemistry
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