character: Tina the Environmental Scientist
topic: Impact of Water Flow on Ecosystems
grade: 9
subject: Physics
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character: River Rover
topic: Water Cycle and Ecosystem Interactions
grade: 9
subject: Physics
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character: Aqua the Explorer
topic: Effects of Pollution on Water Systems
grade: 9
subject: Physics
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character: Eddy the Erosionist
topic: Erosion's Role in Eco-Balances
grade: 9
subject: Physics
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