character: Mr. David Green
topic: Renewable Energy Sources and their Effects on Climate Change
grade: 9
subject: Chemistry
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character: Dr. Emily Waters
topic: Impact of Solar Energy on Carbon Footprint
grade: 9
subject: Chemistry
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character: Professor John Smith
topic: Wind Energy and Its Role in Reducing Global Warming
grade: 9
subject: Chemistry
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character: Ms. Linda Johnson
topic: The Chemistry of Biofuels and Their Benefits for the Environment
grade: 9
subject: Chemistry
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