character: Dr. Michael Reed
topic: The Role of Soil Minerals in Fertility
grade: 12
subject: Chemistry
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character: Dr. Jane Smith
topic: Essential Nutrients for Plant Growth
grade: 12
subject: Chemistry
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character: Prof. Alan Thompson
topic: Soil Chemistry and Its Impact on Agriculture
grade: 12
subject: Chemistry
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character: Dr. Emily Johnson
topic: Interactions Between Soil Minerals and Plant Roots
grade: 12
subject: Chemistry
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