character: Mr. Smith
topic: Comparative Analysis of Wave Types
grade: 9
subject: Physics
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character: Ms. Johnson
topic: Introduction to Mechanical Waves
grade: 9
subject: Physics
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character: Mr. Clark
topic: Electromagnetic Waves and Their Properties
grade: 9
subject: Physics
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character: Mrs. Davis
topic: Sound Waves: Characteristics and Applications
grade: 9
subject: Physics
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