Water Pollution Crossword

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Across
  1. 2. water quality affects all _____ relationships
  2. 5. too many nutrients in the water which causes too much algae to grow
  3. 6. collection of marine debris in the North Pacific Ocean
  4. 10. the erosion of soil into rivers and lakes
  5. 11. introduction into the environment of a substance or thing that has harmful
  6. 12. pollution that comes from many places all at once
  7. 13. Can't break down on a human timescale
  8. 14. to meany microorganisms in the water which can make you sick
Down
  1. 1. any large system of circulating ocean surface currents
  2. 3. non-living
  3. 4. living
  4. 6. identifiable source of pollution
  5. 7. a watershed is a _______ collector
  6. 8. Are of land where all of the water that falls into and drains off of it goes to a common outlet
  7. 9. are mainly artificial structures