character: Environmental Chemist
topic: Chemical Properties of Polyethylene
grade: 11
subject: Chemistry
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character: Chemistry Teacher
topic: Polyethylene and Environmental Impact
grade: 11
subject: Chemistry
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character: Research Scientist
topic: Degradation of Polyethylene in Ecosystems
grade: 11
subject: Chemistry
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character: Environmental Scientist
topic: Sustainable Alternatives to Polyethylene
grade: 11
subject: Chemistry
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