character: Dr. Smith
topic: Electromagnetic Spectrum and Solar Energy
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: The Chemistry of Light and Photosynthesis
grade: 9
subject: Chemistry
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character: Professor Lee
topic: Basic Principles of Electromagnetic Waves
grade: 9
subject: Chemistry
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character: Mr. Brown
topic: Solar Energy Conversion and Chemical Reactions
grade: 9
subject: Chemistry
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