Plate Tectonics

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Across
  1. 4. A large, flat area of land that is higher than the surrounding land
  2. 5. A dip between 2 areas of higher ground
  3. 7. A sloping line of high-ground contour lines forming a "V" or "U" shape
  4. 8. A deep,narrow valley with steep sides and often with a stream flowing through it
  5. 9. A natural elevation smaller than a mountain
Down
  1. 1. A hill that rises abruptly from the surrounding region
  2. 2. A hole in the ground or a sinkhole
  3. 3. A low land between mountain ranges that often have streams or rivers
  4. 6. A land formation with a flat area on top and steep walls
  5. 8. A vertical or near vertical feature;It is an abrupt change of land