character: Mr. Smith
topic: Toxicity and Environmental Impact of Heavy Metals
grade: 11
subject: Chemistry
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character: Dr. Jones
topic: Remediation Methods for Heavy Metal Contamination
grade: 11
subject: Chemistry
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character: Ms. Taylor
topic: Sources and Effects of Heavy Metals in the Environment
grade: 11
subject: Chemistry
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character: Prof. Green
topic: Heavy Metals: Biological Accumulation and Risks to Health
grade: 11
subject: Chemistry
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