character: Environmental Scientist
topic: Impact of PVC on the Environment
grade: 11
subject: Chemistry
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character: Chemistry Teacher
topic: Environmental Concerns of PVC Usage
grade: 11
subject: Chemistry
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character: Environmental Activist
topic: Life Cycle Assessment of PVC
grade: 11
subject: Chemistry
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character: Chemical Engineer
topic: Alternatives to PVC in Industry
grade: 11
subject: Chemistry
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