character: Dr. Aqua
topic: Importance of Water Filtration Systems
grade: 10
subject: Science
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character: Professor Cleanwater
topic: Effects of Contaminants in Drinking Water
grade: 10
subject: Science
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character: Captain Purity
topic: Methods of Water Treatment and Purification
grade: 10
subject: Science
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character: Environmental Scientist Sage
topic: Impact of Clean Water on Public Health
grade: 10
subject: Science
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