US Locations/Lands and Resources/Regions

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Across
  1. 6. cannot be replenished in a human lifetime
  2. 7. boundaries that separate nations
  3. 10. cloth
  4. 13. area of the country that is neither a state or part of a state
  5. 14. enough
  6. 18. air, water, and land that surround you
  7. 20. planned, careful use of natural resources
  8. 21. this industry develops aircraft, spacecraft, missiles and satellites
  9. 23. natural resources found in the earth
  10. 24. are of land defined by political boundaries
  11. 25. results from breakdown of organic, or once-living materials
  12. 28. a piece of land almost entirely surrounded by water
  13. 30. pattern of weather that a place experiences
Down
  1. 1. a general type of land on Earth above sea level
  2. 2. large area of moist land; often covered by shallow water
  3. 3. area is one that is not heavily populated.
  4. 4. a natural feature on the Earth's surface
  5. 5. lands with protection from other nations
  6. 8. materials found in nature that people use
  7. 9. a general type of land on Earth
  8. 11. a political unit within a nation
  9. 12. thickly settled region
  10. 15. can be replaced in a reasonable amount of time
  11. 16. refers to power, such as heat and electricity
  12. 17. buying and selling of goods and services
  13. 19. materials that dirty the air, water and soil
  14. 22. large landmass
  15. 26. sector part of the economy that does not produce things to sell but performs work to help others
  16. 27. a large area of flat highland
  17. 29. each state has its own