character: Dr. Sarah Thompson
topic: Impact of Toxic Substances on Human Health
grade: 11
subject: Chemistry
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character: Dr. John Miller
topic: Environmental Chemistry and Its Effects on Ecosystems
grade: 11
subject: Chemistry
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character: Emily Carter
topic: Understanding Chemical Toxicology in Everyday Products
grade: 11
subject: Chemistry
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character: Professor Lisa Brown
topic: Chronic Exposure to Heavy Metals and Health Risks
grade: 11
subject: Chemistry
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