character: James
topic: Impacts of Ozone Layer Depletion
grade: 11
subject: Chemistry
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character: Emily
topic: History of Environmental Regulations
grade: 11
subject: Chemistry
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character: Michael
topic: Chemistry of Ozone Depletion
grade: 11
subject: Chemistry
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character: Sarah
topic: Global Agreements on Ozone Protection
grade: 11
subject: Chemistry
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