character: Dr. Mark Smith
topic: The Role of Vegetation in Soil Erosion
grade: 9
subject: Geography
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character: Dr. Jane Doe
topic: Impact of Deforestation on Soil Quality
grade: 9
subject: Geography
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character: Professor Alice Johnson
topic: Vegetation Cover and Its Effects on Erosion Rates
grade: 9
subject: Geography
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character: Dr. Robert Lee
topic: Soil Conservation Techniques and Vegetation Management
grade: 9
subject: Geography
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