Regions of North America

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Across
  1. 3. the study of the Earth's landscapes
  2. 5. a valley in California that has fertile soil, but is very dry
  3. 7. these plains take up a large area of North America between the Appalachian and Rocky Mountains
  4. 10. resources that are found in limited amounts on Earth, like coal, oil, and minerals
  5. 13. the name of the river system that drains 40% of the continental United States
  6. 14. the only state that had two capitals
  7. 16. a climate that is very hot and humid most of the year and has high amounts of rain
  8. 17. the country from which the USA bought Alaska
  9. 18. a vegetation region found in cold dry areas where the ground is always frozen
Down
  1. 1. that plants that grow somewhere naturally
  2. 2. a climate region with warm summers and cold winters that has moderate precipitation
  3. 4. the only continent where nobody lives except researchers
  4. 6. provided wood that the settlers used to build homes, to cook, and to keep warm
  5. 8. an area east of the Appalachians with foothills and valleys
  6. 9. a city in California that grew up during the Gold Rush
  7. 11. the easiest way to travel before paved roads
  8. 12. resources like water, wind, and a forest that can be used again and again if they are managed wisely
  9. 15. means sharing a common border