character: Ms. Jessica Lee
topic: Impact of pH on Soil Nutrient Availability
grade: 12
subject: Chemistry
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character: Dr. John Smith
topic: Effect of Soil Composition on pH Levels
grade: 12
subject: Chemistry
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character: Ms. Emily Chen
topic: Understanding Nutrient Uptake in Plants
grade: 12
subject: Chemistry
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character: Mr. David Wang
topic: Soil Testing Methods for Optimal pH Balance
grade: 12
subject: Chemistry
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