Chapter 1 Geography of the U.S.

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Across
  1. 3. people and their skills, and hard work (nothing could be produced without them)
  2. 5. a plain along a river that floods
  3. 7. to rely on
  4. 9. to save or protect
  5. 11. the use of tools and scientific knowledge to do work
  6. 12. flat, raised land
  7. 14. the condition of the air at a certain time and place
  8. 18. the human made things that we use to grow or make other things
  9. 20. the pattern of weather in a place over a period of time
  10. 21. the amount of water in the air
Down
  1. 1. an area in which places share similar characteristics
  2. 2. the use of wealth and resources in a place
  3. 4. an underground layer of porous rock that holds water
  4. 6. a natural feature of Earth's surface such as a hill, cliff, or an island
  5. 8. deep, rocky valley
  6. 10. a hill with a flat top
  7. 13. to change to fit a new set of conditions
  8. 15. how high the land is above sea level
  9. 16. a line that divides one area or state from another
  10. 17. items people make or grow to sell
  11. 19. the use of technology to bring water to crops