It looks like you're asking for a way to categorize or match statements regarding water quality and its effects. Here's a suggested way to organize those statements:
Drag and Drop Quantity:
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Water Supply Issues:
- Water is withdrawn from low supply areas.
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Water Quality Concerns:
- Methane makes the water supply flammable.
- Water makes what chemicals leach into groundwater.
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Environmental Effects:
- The high water pressure generates small-scale earthquakes.
This organization separates the statements into categories concerning water supply issues, water quality concerns, and environmental effects. If you meant something different with "drag and drop," please clarify!