Chapter 14 Water Pollution Crossword

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Across
  1. 4. underground pipes laid out below the ground
  2. 6. legislation that supports the protection and propagation of fish, shellfish, and wildlife in and on water by maintaining and restoring surface waters when necessary
  3. 10. Largest tanker oil spill that occurred in Alaska
  4. 11. where most ocean trash enters the ocean
  5. 13. a sewer system someone who lives on a farm might have
  6. 15. legislation passed that sets a national standard for our clean drinking water.
  7. 16. the solid waste material found in wastewater
  8. 17. Metal found in pipes that is known to contaminate water
  9. 18. outdoor basin filled with animal waste
  10. 21. produced from sewage and gray water (laundry, bathing, and dishes)
  11. 23. can hurt whales and may cause them to beach themselves
  12. 24. chemicals used to kill pests like mice and rats
Down
  1. 1. found in waterways making them cloudy and brown, ultimately reducing the infiltration of sunlight.
  2. 2. natural occurring metal that is found in high concentrations in tuna
  3. 3. chemicals used to kill insects
  4. 5. area where raw sewage is dumped into bodies of water and extremely low oxygen levels occur
  5. 7. unwanted or discarded material we produce that is not a liquid or gas
  6. 8. the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter
  7. 9. compound that dissolves in ground and drinking water
  8. 12. The majority of oil in the ocean comes from
  9. 14. when human activities cause a substantial change in water temperature
  10. 16. the most common source of coliform bacteria
  11. 19. the death of organisms due to a rapid change in temperature
  12. 20. chemicals used to kill weeds
  13. 22. human activity that pollutes the ocean through sound