character: Mr. Brown
topic: Toxicology and Risk Assessment
grade: 10
subject: Biology
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character: Dr. Jane Smith
topic: Environmental Impact of Chemicals
grade: 10
subject: Biology
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character: Ms. Sarah Lee
topic: Introduction to Toxicology
grade: 10
subject: Biology
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character: Professor Tom Harris
topic: Risk Assessment Models in Biology
grade: 10
subject: Biology
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