Unit 7/8 Crossword Puzzle

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Across
  1. 1. Leads to acid rain and impacts ecosystem
  2. 3. removing of salt from seawater
  3. 7. tumor in the lungs
  4. 8. microorganism causing disease in host organism
  5. 10. respiratory condition, causes inflammation
  6. 11. substance capable of causing cancer in living tissue
  7. 13. infectious disease from mosquitos
  8. 15. biodegradable waste from living organisms
  9. 16. type of air pollution caused by industrial emmissions
  10. 17. burns waste
  11. 19. three oxygen atoms
  12. 20. _____emitted directly into the atmosphere from a source
  13. 22. _____pollutant, ozone is this
  14. 25. disease transmitted through rats
  15. 27. chemical substance that interferes with the nervous system
  16. 28. substance that causes genetic mutations
Down
  1. 2. disruptive noise that interferes with normal activites
  2. 4. the withdrawl of groundwater exceeds the rate of recharge
  3. 5. saltwater______, movement of saltwater into freshwater
  4. 6. bacterial infection transmitted through food
  5. 9. a system in the body that protects against bacteria/virus
  6. 11. law in 1970 created to control air pollution
  7. 12. play a role in protecting lungs from pollution
  8. 14. storage area of water
  9. 15. release of petroleum into environment
  10. 18. group of pollutants commonly emitted by vehicles
  11. 21. fungus that grows in damp environments
  12. 23. structure to built to transport water
  13. 24. area of water with low oxygen levels
  14. 26. monoxide colorless, odorless gas, deadly in high concentrations