character: Ms. Emily Johnson
topic: Environmental Impact of Chemical Waste
grade: 12
subject: Chemistry
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character: Dr. Sarah Thompson
topic: Effects of Industrial Pollution on Ecosystems
grade: 12
subject: Chemistry
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character: Mr. John Anderson
topic: Managing Hazardous Waste in Urban Areas
grade: 12
subject: Chemistry
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character: Dr. Lisa Patel
topic: Regulations and Solutions for Chemical Waste Disposal
grade: 12
subject: Chemistry
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