Earth's systems

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Across
  1. 1. landform made up of flat land w/ low relief
  2. 4. distance in degrees N or S of the equator
  3. 8. a sphere that represents Earth's entire surface
  4. 10. height above sea level of a point on Earth's surface
  5. 11. shape of land that includes area's elevation, relief, and landforms
  6. 13. feature of topography, a hill or valley
  7. 15. a large unit of mountain ranges and systems
  8. 16. a flat model or Earth's surface
  9. 17. a landform with high elevation and high relief
  10. 18. the difference in elevation between the highest and lowest points of something
  11. 19. group of parts that work together as a whole
  12. 20. 1/360 of a way around a circle; unit helps scientists locate positions on Earth's surface.
Down
  1. 1. a landform with high elevation/more or less level surface
  2. 2. plain plain that lies away from a coast, low relief
  3. 3. plain plain that lies along a seacoast; low relief, elevation varies
  4. 5. relates distance on a map to a distance on Earth's surface
  5. 6. imaginary line between between the N and S poles, dividing earth into N and S hemispheres
  6. 7. the different mountain ranges in a region
  7. 9. distance in degrees E or W of the prime meridian
  8. 12. range group of mountains that are related in shape
  9. 14. large area of land where topography is made