character: Dr. Emily Carter
topic: Biochemical Processes in Soil
grade: 11
subject: Chemistry
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character: Dr. Sarah Mitchell
topic: Nutrient Cycling in Terrestrial Ecosystems
grade: 11
subject: Chemistry
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character: Professor James Lee
topic: Soil Composition and pH Effects on Plant Growth
grade: 11
subject: Chemistry
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character: Ms. Linda Roberts
topic: Microorganisms and Their Role in Soil Fertility
grade: 11
subject: Chemistry
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