character: Mr. David Lee
topic: Chemical Reactions in Fertilizer Production
grade: 12
subject: Chemistry
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character: Dr. Jane Smith
topic: The Role of Nitrogen in Plant Growth
grade: 12
subject: Chemistry
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character: Ms. Sarah Johnson
topic: Environmental Impact of Fertilizer Use
grade: 12
subject: Chemistry
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character: Prof. Mark Thompson
topic: Synthesis of Ammonium Nitrate in Agriculture
grade: 12
subject: Chemistry
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