character: Dr. Jane Smith
topic: Greenhouse Effect and Global Warming
grade: 12
subject: Chemistry
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character: Dr. Emily Johnson
topic: Impact of Carbon Dioxide on Climate Change
grade: 12
subject: Chemistry
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character: Professor Michael Lee
topic: Chemistry of the Atmosphere
grade: 12
subject: Chemistry
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character: Dr. Sarah Thompson
topic: Renewable Energy and Its Role in Combating Global Warming
grade: 12
subject: Chemistry
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