character: Mr. Smith
topic: Solar Energy Conversion and Photovoltaic Cells
grade: 11
subject: Chemistry
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character: Mr. Johnson
topic: Renewable Energy Resources
grade: 11
subject: Chemistry
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character: Mrs. Davis
topic: Basic Principles of Solar Energy
grade: 11
subject: Chemistry
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character: Dr. Lee
topic: Efficiency of Photovoltaic Systems
grade: 11
subject: Chemistry
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