Science 1102 Chapter 14

  1. Living on a fault line that is prone to earthquakes is an example of a _____ hazard.
    Physical. Physical hazards occur naturally in the environment. Other examples include tornadoes, floods, volcanoes, and fires.
  2. Cigarette smoke and radon are two of the most common _______ hazards.
    Indoor. Most people spend upward of 90% of their time indoors. Without proper ventilation many pollutants can accumulate indoors. Cigarette smoke and radon are the leading indoor hazards.
  3. The important environmental book called ________ exposed the hazards of using the insecticide DDT.
    Silent Spring
  4. A type of toxicant that can cause cancer is termed _______.
    A carcinogen.
  5. How is it that even pristine areas, undisturbed by humans, have been contaminated with human-generated toxicants?
    The toxicants are carried by the wind.
  6. ________ studies are comparisons that track the fate of large groups of people for long periods of time in order to help answer an environmental question.
  7. A _______ LD50 indicates low toxicity while a _______ LD50 indicates high toxicity.
    High; Low
  8. To establish causation, _______ experiments are needed.
  9. ________ is the quantitative description of the likelihood of a given outcome.
  10. Risk _______ includes decisions and strategies that will minimize risk.
Card Set
Science 1102 Chapter 14
Science 1102 Chapter 14