character: Ms. Emily Johnson
topic: Impact of Human Activity on Soil Microbial Communities
grade: 10
subject: Biology
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character: Dr. Sarah Thompson
topic: Role of Soil Microorganisms in Ecosystem Health
grade: 10
subject: Biology
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character: Mr. David Lee
topic: Effects of Agriculture on Soil Quality
grade: 10
subject: Biology
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character: Ms. Laura Kim
topic: Urbanization and its Effects on Soil Microbiology
grade: 10
subject: Biology
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