character: Ms. Lee
topic: Toxicology of Common Heavy Metals
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: Impact of Heavy Metals on Human Health
grade: 11
subject: Chemistry
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character: Mr. Johnson
topic: Environmental Effects of Heavy Metal Contamination
grade: 11
subject: Chemistry
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character: Ms. Patel
topic: Methods of Heavy Metal Detection and Analysis
grade: 11
subject: Chemistry
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