character: Mr. John Smith
topic: Impact of Urbanization on Local Water Sources
grade: 9
subject: Science
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character: Dr. Emily Carter
topic: Effects of Urban Development on Aquatic Ecosystems
grade: 9
subject: Science
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character: Ms. Lisa Turner
topic: Water Quality Issues in Urban Areas
grade: 9
subject: Science
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character: Mr. David Lee
topic: Urbanization and Its Influence on Groundwater Resources
grade: 9
subject: Science
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