character: Mr. Green
topic: The Impact of Rainfall on Soil Chemistry
grade: 11
subject: Chemistry
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character: Ms. Johnson
topic: Effects of Acid Rain on Soil Microorganisms
grade: 11
subject: Chemistry
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character: Dr. White
topic: Nutrient Leaching due to Heavy Rainfall
grade: 11
subject: Chemistry
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character: Professor Black
topic: Soil pH Changes with Varying Rainfall Patterns
grade: 11
subject: Chemistry
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