character: Lisa Chen
topic: The Carbon Footprint of Fossil Fuels vs. Solar Energy
grade: 9
subject: Science
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character: Dr. Emily Carter
topic: Renewable Energy Sources and Their Impact on the Environment
grade: 9
subject: Science
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character: Mark Thompson
topic: Understanding Greenhouse Gases and Climate Change
grade: 9
subject: Science
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character: Samantha Liu
topic: Comparing Energy Efficiency: Fossil Fuels vs. Renewable Resources
grade: 9
subject: Science
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