III. Complete the crosswords with with challenge vocabulary

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Across
  1. 2. Man-made structure that creates reservoirs. Nuevo León has a handful of them.
  2. 5. Caused by human mistakes or deliberate actions in large masses of people.
  3. 8. Type of disaster that is caused by human actions.
  4. 9. Earthquakes, seisms, volcanic eruptions can be classified as _________ natural disasters.
  5. 10. Ocean located to the west of the American continent.
Down
  1. 1. Large bodies of fresh water that form on depressions, they don’t have a particularly strong flow (current).
  2. 3. Big chunks of frozen fresh water, typically found in the poles.
  3. 4. Natural barrier that directs the flow of water and creates drainage basins.
  4. 6. 2nd larger ocean of the world.
  5. 7. Ocean located in the northernmost part of our planet.