character: Mr. Alex Johnson
topic: The Role of Catalysts in Polymer Degradation
grade: 12
subject: Chemistry
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character: Dr. Emily Thompson
topic: Understanding Polymer Chemistry
grade: 12
subject: Chemistry
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character: Professor Mark Lee
topic: Impact of Environmental Factors on Polymer Stability
grade: 12
subject: Chemistry
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character: Ms. Sarah Carter
topic: Recycling and Degradation of Plastics
grade: 12
subject: Chemistry
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