character: Dr. Emily Johnson
topic: Factors Influencing Erosion in Different Environments
grade: 9
subject: Geography
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character: Dr. Mark Smith
topic: The Role of Vegetation in Soil Erosion
grade: 9
subject: Geography
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character: Ms. Sarah Lee
topic: Human Activities and Their Impact on Erosion Rates
grade: 9
subject: Geography
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character: Mr. Jason Brown
topic: Comparative Analysis of Erosion in Urban vs. Rural Areas
grade: 9
subject: Geography
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