character: Professor Jones
topic: The Effects of Erosion on Ecosystems
grade: 9
subject: Geography
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character: Dr. Smith
topic: Soil Conservation Techniques
grade: 9
subject: Geography
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character: Ms. Lee
topic: Impact of Climate Change on Erosion
grade: 9
subject: Geography
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character: Mr. Brown
topic: Water Cycle and Sediment Transport
grade: 9
subject: Geography
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