character: Dr. Emily Johnson
topic: The Chemistry of Biodegradable Materials
grade: 12
subject: Chemistry
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character: Professor Mark Stevens
topic: Synthetic Polymers and Their Environmental Impact
grade: 12
subject: Chemistry
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character: Dr. Sarah Lee
topic: Innovations in Bioplastics
grade: 12
subject: Chemistry
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character: Dr. Robert Ramirez
topic: Chemical Recycling Processes for Plastics
grade: 12
subject: Chemistry
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