character: Ms. Laura Garcia
topic: The Chemistry of Iron and Its Environmental Effects
grade: 9
subject: Chemistry
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character: Dr. Emily Carter
topic: Iron in the Earth’s Ecosystem
grade: 9
subject: Chemistry
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character: Mr. John Smith
topic: Impact of Heavy Metals on Water Quality
grade: 9
subject: Chemistry
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character: Ms. Sarah Johnson
topic: Chemical Properties of Transition Metals
grade: 9
subject: Chemistry
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