character: Dr. Emily Carter
topic: Effects of Soil Degradation on Biodiversity
grade: 9
subject: Geography
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character: Professor James Allison
topic: Impact of Soil Health on Ecosystems
grade: 9
subject: Geography
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character: Biologist Sarah Trent
topic: Soil Erosion and Species Loss
grade: 9
subject: Geography
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character: Ecologist Mark Liu
topic: Restoration of Soil and Biodiversity Conservation
grade: 9
subject: Geography
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