character: Dr. Sarah Mitchell
topic: The Role of Human Activities in Global Warming
grade: 9
subject: Chemistry
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character: Dr. James Carter
topic: The Chemical Basis of Climate Change
grade: 9
subject: Chemistry
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character: Dr. Emily Jones
topic: Greenhouse Gases and Their Effects
grade: 9
subject: Chemistry
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character: Mr. David Lee
topic: The Impact of Fossil Fuels on the Environment
grade: 9
subject: Chemistry
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