character: Dr. Emily Rivera
topic: Impact of Erosion on Soil Health
grade: 9
subject: Geography
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character: Mr. John Williams
topic: Soil Conservation Techniques
grade: 9
subject: Geography
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character: Ms. Sarah Thompson
topic: The Role of Vegetation in Preventing Erosion
grade: 9
subject: Geography
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character: Dr. Anthony Lee
topic: Effects of Climate Change on Erosion Rates
grade: 9
subject: Geography
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