character: Dr. Alex
topic: Photovoltaic Cells and Efficiency
grade: 11
subject: Chemistry
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character: Dr. Sarah
topic: Renewable Energy Sources and Their Impact
grade: 11
subject: Chemistry
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character: Mr. Johnson
topic: Chemical Reactions in Solar Cells
grade: 11
subject: Chemistry
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character: Prof. Emily
topic: The Science Behind Energy Conversion in Solar Power
grade: 11
subject: Chemistry
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