character: Dr. Michael Brown
topic: Comparison of Biodegradable Materials and Traditional Plastics
grade: 12
subject: Chemistry
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character: Dr. Sarah Johnson
topic: Impact of Plastic Waste on Environment
grade: 12
subject: Chemistry
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character: Prof. Emily Thompson
topic: Chemical Properties of Bioplastics
grade: 12
subject: Chemistry
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character: Mr. David Lee
topic: Lifecycle Analysis of Plastics
grade: 12
subject: Chemistry
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