character: Ms. Linda Green
topic: The Role of Fertilizers in Crop Production
grade: 9
subject: Chemistry
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character: Mr. John Smith
topic: Chemical Properties of Fertilizers
grade: 9
subject: Chemistry
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character: Dr. Emily White
topic: Environmental Impact of Fertilizer Use
grade: 9
subject: Chemistry
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character: Ms. Sarah Brown
topic: Organic vs. Synthetic Fertilizers
grade: 9
subject: Chemistry
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