ch 9 Environmental Health

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Across
  1. 2. disease carrying organism
  2. 8. study of disease in human population
  3. 10. pesticide that caused egg shells to soften and decreased bald eagle population
  4. 11. a physical hazard
  5. 15. disease that has appeared in the human population for the 1st time
  6. 17. effect an organism shows as a result of exposure
  7. 18. chemicals that harm embryos and fetuses
  8. 21. chemicals that affect the nervous system
  9. 23. chemicals that cause cancer
  10. 24. disease causing agent
Down
  1. 1. caused by drinking water that contains bacteria vibrio cholerae
  2. 3. united states centers for disease control
  3. 4. caused by the HIV virus
  4. 5. found in water, paint and dust
  5. 6. toxic chemicals that persist in the environment, dirty dozen
  6. 7. how harmful a substance is to an organism
  7. 9. international group that helps respond to emerging disease
  8. 10. amount of a substance an organism is exposed to
  9. 12. mineral that forms long thin microscopic fibers
  10. 13. probability that a hazard will cause a harmful response
  11. 14. concentrations of toxic substance like DDT can be greatly magnified in this process
  12. 16. colorless odorless radioactive gas
  13. 19. matter or energy that is released into the environment causing negative effects
  14. 20. study of how poisonous substance affects an organisms health
  15. 22. a social hazard