Water pollution

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Across
  1. 1. things that damage the quality of air, water, and land
  2. 4. the contamination of water or air that does not originate from a single discrete source
  3. 6. an area of land that drains all the streams and rainfall to a common outlet
Down
  1. 1. identifiable sources of pollution
  2. 2. water that occurs below the surface of Earth
  3. 3. a body of porous rock or sediment saturated with groundwater
  4. 5. a hole drilled into the ground to access water