character: Ms. Green
topic: Effects of Frequency and Amplitude on Sound Perception
grade: 11
subject: Biology
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character: Dr. Smith
topic: Understanding Sound Waves and Their Properties
grade: 11
subject: Biology
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character: Mr. Johnson
topic: The Biological Mechanism of Hearing in Humans
grade: 11
subject: Biology
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character: Ms. Thompson
topic: Impact of Frequency on Pitch and Tone Quality
grade: 11
subject: Biology
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