Ch 9 Vocab

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Across
  1. 1. A factor that threatens or is harmful to human health.
  2. 5. _________ diseases are caused by a pathogen.
  3. 9. A(n) _________ disease is disease that has appeared for the first time or has reemerged.
  4. 10. Environmental _______ is the study of how environmental factors affect human health.
  5. 14. A chemical that affects the nervous system.
  6. 15. Is a chemical that harms embryos and fetuses.
  7. 16. The amount of a substance an organism is exposed to.
  8. 17. The process where the concentration of a toxin grows as it flows through the food web.
  9. 18. A colorless highly toxic gas found in some houses.
  10. 19. The type of hazard that results from how or where we live.
Down
  1. 2. Risk _________ is the process of measuring a risk.
  2. 3. is a harmful mineral that was once used as insulation.
  3. 4. The probability that a hazard will cause a harmful response.
  4. 6. A chemical that causes cancer.
  5. 7. A disease causing agent.
  6. 8. The type of hazard that involves natural disasters.
  7. 11. The type of hazard that involves a disease or virus.
  8. 12. The study of disease in human populations.
  9. 13. The study of how poisonous substances affect an organism's health.