Water Pollution

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Across
  1. 2. ers to diffuse contamination of water or air that does not originate from a single discrete source.
  2. 3. accumulation of nutrients in lakes or other bodies of water
  3. 5. a phenomenon that occurs in aquatic environments as dissolved oxygen
  4. 6. run off of land in urban areas where lawn and garden fertilizers are used
  5. 7. contamination of water bodies
  6. 8. environment that has undesired effects
Down
  1. 1. the introduction of harmful materials into the environment
  2. 4. pollution control and water quality of the Nation's waterways
  3. 9. the measure of relative clarity of a liquid.
  4. 10. made up of fine particles