character: Professor Smith
topic: Electromagnetic Spectrum Overview
grade: 9
subject: Chemistry
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character: Dr. Johnson
topic: Basics of Light and Energy
grade: 9
subject: Chemistry
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character: Ms. Davis
topic: Interactions of Matter with Electromagnetic Waves
grade: 9
subject: Chemistry
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character: Mr. Lee
topic: Applications of the Electromagnetic Spectrum in Chemistry
grade: 9
subject: Chemistry
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