character: Dr. Smith
topic: Chemical Reactions in Solar Energy Systems
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Types of Solar Energy
grade: 9
subject: Chemistry
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character: Mr. Lee
topic: Chemical Properties of Solar Panels
grade: 9
subject: Chemistry
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character: Dr. Brown
topic: The Role of Catalysts in Solar Energy Conversion
grade: 9
subject: Chemistry
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