character: Dr. Smith
topic: Chemical Principles of Solar Cells
grade: 12
subject: Chemistry
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character: Ms. Johnson
topic: Physics of Solar Energy
grade: 12
subject: Chemistry
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character: Mr. Garcia
topic: Renewable Energy Sources
grade: 12
subject: Chemistry
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character: Dr. Lee
topic: Fundamentals of Photovoltaic Technology
grade: 12
subject: Chemistry
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