character: Dr. Rivers
topic: Impact of Pollution on Aquatic Chemistry
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: Effects of Acid Rain on Water Bodies
grade: 11
subject: Chemistry
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character: Ms. Johnson
topic: Eutrophication and Its Effects on Aquatic Life
grade: 11
subject: Chemistry
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character: Mr. Thompson
topic: Chemical Composition of Polluted Water
grade: 11
subject: Chemistry
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