Mountains

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Across
  1. 1. a process in which a section of the earth's crust is folded and deformed by lateral compression to form a mountain range.
  2. 4. a town destroyed by a volcanic eruption
  3. 6. a mountain system in north america (a)
  4. 7. A large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill
Down
  1. 2. mountain range in north america (r)
  2. 3. mountain range in south america (a)
  3. 5. the two sub-layers of the earth's crust (lithosphere) that move, float, and sometimes fracture and whose interaction causes continental drift, earthquakes, volcanoes, mountains, and oceanic trenches