character: Professor Lee
topic: Recycling Processes: Methods and Techniques
grade: 9
subject: Chemistry
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character: Dr. Smith
topic: Chemical Recycling: A Green Chemistry Perspective
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Innovative Techniques in Waste Management
grade: 9
subject: Chemistry
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character: Mr. Thompson
topic: The Impact of Recycling on Environmental Chemistry
grade: 9
subject: Chemistry
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