Mountains

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Across
  1. 2. Tallest mountain east of the Mississippi River
  2. 4. Tallest mountain in North America
  3. 6. The highest mountain in the world
  4. 8. The oldest mountain range in the U.S
  5. 11. The oldest mountain range in the world
Down
  1. 1. Type of mountains formed by the collision of tectonic plates
  2. 3. The youngest mountain range on Earth
  3. 5. How most mountains are formed
  4. 6. The tallest underwater mountain in the world
  5. 7. Type of mountains formed by volcanic activity
  6. 9. Location of the Himalayan Mountains
  7. 10. Location of Mt. Kilimanjaro