character: Environmental Scientist
topic: Impact of Pollution on Groundwater
grade: 9
subject: Geography
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character: Water Quality Specialist
topic: Groundwater Contamination Sources
grade: 9
subject: Geography
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character: Hydrologist
topic: Effects of Industrial Waste on Aquifers
grade: 9
subject: Geography
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character: Ecologist
topic: Biodiversity and Groundwater Pollution
grade: 9
subject: Geography
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