character: Dr. Smith
topic: Formation of Oceanic Crust
grade: 10
subject: Science
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character: Mr. Johnson
topic: Plate Tectonics and Ocean Basins
grade: 10
subject: Science
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character: Dr. Lee
topic: Types of Crust: Continental vs Oceanic
grade: 10
subject: Science
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character: Ms. Thompson
topic: Ocean Floor Mapping Techniques
grade: 10
subject: Science
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