character: Mr. Alex Green
topic: Chemical Properties of Biofuels vs. Fossil Fuels
grade: 11
subject: Chemistry
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character: Ms. Sarah Johnson
topic: Renewable Energy Sources and Their Impacts
grade: 11
subject: Chemistry
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character: Mr. John Smith
topic: Combustion Reactions of Different Fuel Types
grade: 11
subject: Chemistry
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character: Dr. Emily White
topic: Comparative Analysis of Energy Densities
grade: 11
subject: Chemistry
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