Mountains

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Across
  1. 3. The highest mountain on the Moon
  2. 6. The highest mountain on Earth
  3. 7. All the worlds major ______ start on mountains
  4. 8. The amount of the world's freshwater that comes from mountains
  5. 9. A way of estimating the height of a mountain
  6. 10. An animal that can be found in the mountains
  7. 11. The longest mountain chain on Earth
  8. 12. The percentage of the world that lives on mountains
  9. 13. What Hawaii is on top of
Down
  1. 1. The world's largest underwater mountain
  2. 2. The highest mountain in the known universe
  3. 4. The name of the mountains in Switzerland
  4. 5. Where mountains exist