character: Dr. Brown
topic: Soil Quality and Plant Development
grade: 11
subject: Biology
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character: Dr. Green
topic: Importance of Soil Microorganisms in Plant Growth
grade: 11
subject: Biology
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character: Ms. White
topic: Nutrient Cycling in Soil and Its Impact on Plants
grade: 11
subject: Biology
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character: Mr. Smith
topic: Effects of Soil pH on Plant Health
grade: 11
subject: Biology
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