people and the environment

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Across
  1. 6. Anything that makes a natural resource dirty or unsafe to use.
  2. 7. having to do with city
  3. 8. a structure to carry water
  4. 10. growing of crops and raising of farm animals for sale
  5. 12. A human made lake used for collecting and storing water
  6. 14. something people can use
  7. 15. the physical and human features that make up a place
  8. 16. countryside, farms, and small towns
Down
  1. 1. the moving of water to dry areas
  2. 2. to change in response to something else
  3. 3. Wide and deep enough to let ships go through.
  4. 4. to save resources to make them last longer
  5. 5. having to do with smaller communities around cities
  6. 9. not enough
  7. 11. to make changes to something
  8. 13. the ability to do work