character: Dr. Lisa Reynolds
topic: Heavy Metal Accumulation in Soil and Water
grade: 9
subject: Biology
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character: Dr. John Michaels
topic: Effects of Heavy Metals on Ecosystems
grade: 9
subject: Biology
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character: Ms. Sarah Thompson
topic: Bioremediation Techniques for Heavy Metal Contamination
grade: 9
subject: Biology
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character: Mr. Alan Carter
topic: The Role of Soil Microorganisms in Heavy Metal Absorption
grade: 9
subject: Biology
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