character: Ms. Sarah Johnson
topic: Sediment Management in Watersheds
grade: 10
subject: Geography
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character: Mr. David Lee
topic: Water Quality Monitoring in Ecosystems
grade: 10
subject: Geography
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character: Dr. Emily Chen
topic: Impact of Land Use on Watershed Health
grade: 10
subject: Geography
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character: Ms. Laura Martinez
topic: Best Practices for Erosion Control
grade: 10
subject: Geography
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