character: Dr. Emily White
topic: Impact of Heavy Metals on Aquatic Ecosystems
grade: 11
subject: Chemistry
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character: Rachel Green
topic: Effects of Pollution on Marine Life
grade: 11
subject: Chemistry
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character: Mark Lee
topic: Chemical Reactions in Aquatic Systems
grade: 11
subject: Chemistry
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character: Susan Patel
topic: Toxicology of Heavy Metals in Water
grade: 11
subject: Chemistry
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