character: Ms. Sarah Lee
topic: Sustainable Farming Practices to Improve Water Quality
grade: 9
subject: Chemistry
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character: Dr. Emily Johnson
topic: Chemical Runoff and Its Effects on Aquatic Ecosystems
grade: 9
subject: Chemistry
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character: Mr. James Patel
topic: Soil Chemistry and Nutrient Management in Agriculture
grade: 9
subject: Chemistry
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character: Mrs. Linda Chang
topic: Innovative Techniques for Organic Farming to Reduce Pollution
grade: 9
subject: Chemistry
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