character: Dr. Lisa Harmon
topic: Impact of Chemical Contaminants on Human Health
grade: 11
subject: Chemistry
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character: Dr. Jane Smith
topic: Environmental Chemistry and Its Effects on Ecosystems
grade: 11
subject: Chemistry
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character: Dr. Mark Johnson
topic: Toxicology of Heavy Metals and Health Risks
grade: 11
subject: Chemistry
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character: Dr. Emily Carter
topic: Understanding Chemical Exposure and Disease Prevention
grade: 11
subject: Chemistry
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