character: Dr. Mark Johnson
topic: Composting and Soil Enrichment Techniques
grade: 10
subject: Biology
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character: Ms. Sarah Lee
topic: The Importance of Soil Microorganisms in Composting
grade: 10
subject: Biology
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character: Mr. Tom Rivera
topic: Methods for Analyzing Soil Nutrient Content
grade: 10
subject: Biology
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character: Dr. Emily Carter
topic: Impact of Organic Matter on Soil Health
grade: 10
subject: Biology
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