Glaciation

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Across
  1. 3. A long period of colder weather where ice sheets form
  2. 6. The angular distance from the equator
  3. 8. A slow moving river of ice
  4. 10. The gathering of snow at the top of a glacier
  5. 11. A huge mass of ice that covers a landscape
Down
  1. 1. Ice chunks breaking off from the end of a glacier
  2. 2. The breakdown of rock
  3. 4. The angular distance from the Greenwich Meridian
  4. 5. The Process of turning liquid into gas
  5. 7. Combined processes that remove snow and ice from a glacier
  6. 9. The height of an object from sea level