character: Dr. Rachel Green
topic: Effects of Heavy Metals on Aquatic Life
grade: 11
subject: Chemistry
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character: Professor Ian Carter
topic: Impact of Pollutants in Marine Ecosystems
grade: 11
subject: Chemistry
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character: Ms. Laura Chen
topic: Chemical Toxicology in Freshwater Habitats
grade: 11
subject: Chemistry
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character: Mr. Daniel Brown
topic: Biological Responses of Fish to Heavy Metal Exposure
grade: 11
subject: Chemistry
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