character: Dr. Emily Johnson
topic: Impact of Soil Bacteria on Plant Growth
grade: 9
subject: Geography
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character: Dr. Alan Smith
topic: Soil Composition and Its Effects on Agriculture
grade: 9
subject: Geography
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character: Professor Sarah Lee
topic: The Role of Microorganisms in Ecosystems
grade: 9
subject: Geography
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character: Mr. David Brown
topic: Climate Change and Soil Health
grade: 9
subject: Geography
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