Mountains

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Across
  1. 2. a system of mountains in eastern to northeastern North America
  2. 4. highest mountain in the worlds
  3. 5. the highest and most extensive mountain range in Europe
  4. 6. Himalayas holds Mount Everest
Down
  1. 1. Has a rock in the name
  2. 2. running along South America's western side
  3. 3. Mountain range in Alaska