character: Dr. Smith
topic: Biomagnification of Heavy Metals in Food Chains
grade: 11
subject: Chemistry
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character: Dr. Jones
topic: Effects of Heavy Metals on Aquatic Ecosystems
grade: 11
subject: Chemistry
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character: Ms. Taylor
topic: Understanding Trophic Levels and Biomagnification
grade: 11
subject: Chemistry
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character: Prof. Lee
topic: The Impact of Pollution on Food Webs
grade: 11
subject: Chemistry
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