Mountain Crossword puzzle (No spaces between words)

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Across
  1. 5. Where Mount Everest is. (3 words)
  2. 7. The country with the most mountains. (1 word)
  3. 8. Forms Mountains. (2 words)
  4. 9. The country Mount Everest is in. (1 word)
Down
  1. 1. The mountain that has the most people living on it (2 words)
  2. 2. The oldest mountain. (2 words)
  3. 3. Forms when two continental plates collide. (1 word)
  4. 4. The biggest Mountain. (2 words)
  5. 6. The smallest Mountain. (2 words)