character: Dr. Sarah Lee
topic: Effects of Pollution on Human Health
grade: 10
subject: Science
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character: Dr. John Smith
topic: Air Quality and Respiratory Diseases
grade: 10
subject: Science
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character: Dr. Emily Chen
topic: The Impact of Water Pollution on Health
grade: 10
subject: Science
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character: Dr. Robert Johnson
topic: Toxic Chemicals and Their Effects on Human Systems
grade: 10
subject: Science
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