character: Dr. Emily Chen
topic: The Role of Greenhouse Gases in Climate Change
grade: 12
subject: Chemistry
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character: John Smith
topic: The Impact of CO2 Emissions on Global Warming
grade: 12
subject: Chemistry
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character: Sarah Johnson
topic: The Chemistry of Greenhouse Gases and their Effects
grade: 12
subject: Chemistry
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character: David Lee
topic: Strategies for Mitigating Greenhouse Gas Emissions
grade: 12
subject: Chemistry
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