character: Dr. Emily Taylor
topic: Soil Erosion and its Impact on Crop Yields
grade: 9
subject: Geography
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character: Mr. John Carter
topic: Consequences of Soil Degradation on Agriculture
grade: 9
subject: Geography
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character: Ms. Sarah Liu
topic: Climate Change and its Effects on Soil Health
grade: 9
subject: Geography
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character: Professor David Brown
topic: Sustainable Farming Practices to Combat Erosion
grade: 9
subject: Geography
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