Maps and Mountains

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Across
  1. 3. magma, or melted rock, that reaches earth's surface
  2. 5. a passage through or under a natural feature such as a mountain
  3. 6. to go into a sleepliek state during winter
  4. 9. a machine that makes electricity
  5. 10. a wall used to stop the flow of water
  6. 11. to stay alive
  7. 12. naturally occurring substance found in Earth's crust
  8. 14. not likely to fall
  9. 15. a large section of earth's crust that is able to move
Down
  1. 1. having died completely out
  2. 2. a large area of high, flat ground
  3. 4. a low place in the mountains, often created by a river
  4. 5. to build level surfaces on a mountainside
  5. 7. the carrying away of soil and rock by water, ice
  6. 8. something that blocks movement
  7. 12. an idea or story that many believe but is not true
  8. 13. a colorless or lightly colored hard mineral