character: Mr. James Thompson
topic: Acidic Waters and Their Impact on Soil Health
grade: 12
subject: Chemistry
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character: Dr. Lisa Reynolds
topic: The Role of Soil pH in Nutrient Availability
grade: 12
subject: Chemistry
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character: Ms. Sarah Collins
topic: Effects of Acid Rain on Agricultural Soil
grade: 12
subject: Chemistry
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character: Prof. Mark Liu
topic: Impact of Soil Microorganisms in Acidic Environments
grade: 12
subject: Chemistry
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