character: Dr. Emily Carter
topic: Effects of Soil pH on Plant Growth
grade: 11
subject: Chemistry
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character: John Smith
topic: Role of Nutrients in Plant Development
grade: 11
subject: Chemistry
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character: Dr. Lisa Nguyen
topic: Acidic vs. Alkaline Soils: Impact on Agriculture
grade: 11
subject: Chemistry
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character: Prof. Mark Wilson
topic: Understanding Soil Chemistry and Plant Health
grade: 11
subject: Chemistry
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