character: Professor John Smith
topic: Environmental Impact of Biodegradable Plastics
grade: 12
subject: Chemistry
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character: Dr. Emily Chen
topic: Chemical Properties of Biodegradable Materials
grade: 12
subject: Chemistry
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character: Professor Michael Johnson
topic: Comparative Analysis of Plastics: Biodegradable vs. Traditional
grade: 12
subject: Chemistry
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character: Dr. Sarah Lee
topic: Life Cycle Assessment of Biodegradable Plastics
grade: 12
subject: Chemistry
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