character: Dr. Smith
topic: The Science Behind Seismic Waves
grade: 9
subject: Geography
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character: Professor Johnson
topic: Understanding Earthquakes and Their Impact
grade: 9
subject: Geography
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character: Ms. Taylor
topic: Plate Tectonics: The Cause of Seismic Activities
grade: 9
subject: Geography
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character: Mr. Lee
topic: The Role of Seismographs in Measuring Waves
grade: 9
subject: Geography
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