character: Dr. Sarah Lee
topic: Innovations in Biodegradable Plastics
grade: 12
subject: Chemistry
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character: Dr. Emily Chen
topic: Advancements in Compostable Materials
grade: 12
subject: Chemistry
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character: Dr. John Smith
topic: Chemical Reactions in Biodegradable Polymers
grade: 12
subject: Chemistry
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character: Dr. RachelGreen
topic: Environmental Impact of Plastic Waste
grade: 12
subject: Chemistry
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