Mountains

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Across
  1. 2. a large body of ice moving slowly down a slope or valley or spreading outward on a land surface
  2. 4. a careful protection of something
  3. 6. A term to describe a volcano for which no eruption has been known in recorded history. In this case, it is likely that the volcano has ceased to erupt permanently.
  4. 8. A series of ranges stretching across a continent for a great distance.
  5. 9. the variety of plant and animal life in the world or in a particular habitat, a high level of which is usually considered to be important and desirable.
Down
  1. 1. describes a change in the average conditions — such as temperature and rainfall — in a region over a long period of time.
  2. 3. A term to describe a volcano that is not currently erupting but is likely to do so in the future.
  3. 5. a small narrow steep-sided valley that is larger than a gully and smaller than a canyon and that is usually worn by running water
  4. 7. A natural opening in Earth's surface through which molten (liquid), solid, and gaseous material erupts.