character: Mr. Brown
topic: Heavy Metal Accumulation in Aquatic Organisms
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: Effects of Mercury in Freshwater Fish
grade: 11
subject: Chemistry
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character: Ms. Johnson
topic: Bioaccumulation vs. Biomagnification in Aquatic Food Chains
grade: 11
subject: Chemistry
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character: Mr. White
topic: The Role of Phytoplankton in Heavy Metal Uptake
grade: 11
subject: Chemistry
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