character: James Wu
topic: The Formation of Mountains through Tectonic Activity
grade: 9
subject: Geography
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character: Alfred Wegener
topic: Theories of Continental Drift
grade: 9
subject: Geography
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character: Charles Lyell
topic: Principles of Geology and Earth's Processes
grade: 9
subject: Geography
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character: Harry Hess
topic: Seafloor Spreading and Plate Tectonics
grade: 9
subject: Geography
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