9.1-9.3 Crossword Review

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Across
  1. 2. the way infectious diseases spread between people or through sources
  2. 3. a chemical hazard categorized by harming specifically embryos and fetuses during development
  3. 6. the amount of substance and length of exposure
  4. 9. this occurs when toxins become more concentrated at higher levels of the food chain
  5. 11. any living organism that transmits infectious diseases/pathogens- typically through bites
  6. 13. type of hazard categorized by viruses, bacteria, and other organisms that can harm human health.
Down
  1. 1. a heat-resistant mineral once widely used in insulation and building materials
  2. 4. diseases that are new or rapidly increasing/spreading
  3. 5. international organization that tracks diseases, investigates outbreaks, and develops methods to contain them
  4. 7. one reason why some people are more affected by environmental hazards than others
  5. 8. the study of disease in human populations and how it spreads
  6. 10. type of hazard categorized by natural events like earthquakes, tornadoes, and droughts.
  7. 12. type of hazard categorized by where we live, our jobs, or lifestyle choices