character: Mr. Lee
topic: Impact of fertilizers on water quality
grade: 10
subject: Biology
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character: Ms. Chen
topic: Effects of agricultural runoff on ecosystems
grade: 10
subject: Biology
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character: Dr. Patel
topic: Nutrient pollution and algal blooms
grade: 10
subject: Biology
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character: Mrs. Sanchez
topic: Role of fertilizers in soil health and water filtration
grade: 10
subject: Biology
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