Geography of the United States

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Across
  1. 2. items people make or grow to sell
  2. 4. large, flat, raised areas of land
  3. 5. deep, narrow valley with steep rocky sides
  4. 9. the use of the wealth and resources in a place
  5. 10. formed after a river has overflowed
  6. 11. an area in which places have similar characteristics
  7. 12. how hot or cold a place is
  8. 15. means to save or protect them
  9. 17. line that divides one area or state from another
  10. 18. can be replaced
  11. 19. the pattern of weather in a place over a period of time
  12. 20. dry area that gets little rain
Down
  1. 1. the amount of rain or snow that falls there
  2. 3. like a hill but flat on top
  3. 6. something in the environment that people can use
  4. 7. a natural feature of the Earth's surface
  5. 8. the amount of water in the air
  6. 13. resources that cannot be replaced or would take a long time to form again
  7. 14. the condition of the air at a certain time and place
  8. 16. how high the land is above sea level