character: Professor Mark Johnson
topic: Nutrients and Soil Composition for Healthy Plants
grade: 10
subject: Biology
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character: Dr. Sarah Thompson
topic: Understanding Soil pH and Plant Growth
grade: 10
subject: Biology
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character: Ms. Emily Carter
topic: The Role of Macronutrients in Plant Health
grade: 10
subject: Biology
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character: Mr. James Anderson
topic: Organic Matter and Soil Fertility
grade: 10
subject: Biology
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