character: Mr. Jason Lee
topic: Sonar Technology in Navigation
grade: 11
subject: Physics
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character: Dr. Emily Tran
topic: Applications of Sonar in Marine Biology
grade: 11
subject: Physics
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character: Professor Mark Reynolds
topic: Physics Principles Behind Sound Waves
grade: 11
subject: Physics
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character: Ms. Sarah Johnson
topic: Acoustic Technologies in Underwater Exploration
grade: 11
subject: Physics
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