character: Dr. Alan Brown
topic: Comparative Analysis of Biodegradable and Traditional Plastics
grade: 12
subject: Chemistry
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character: Professor Emily Carter
topic: Environmental Impact of Plastic Waste
grade: 12
subject: Chemistry
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character: Dr. Sarah Mitchell
topic: Chemical Properties of Biodegradable Materials
grade: 12
subject: Chemistry
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character: Mr. John Watson
topic: Innovations in Sustainable Plastics
grade: 12
subject: Chemistry
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