Fold Mountains

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Across
  1. 4. Steps cut into hillsides to create areas of flat land.
  2. 8. The use of flowing water to turn turbines to generate electricity
  3. 10. This animal is used to transport materials to remote locations.
Down
  1. 1. Farming used to provide food for the farmer's own family.
  2. 2. The fold mountains in South America.
  3. 3. A plate boundary where two continental plates collide.
  4. 5. An ancient settlement in Peru.
  5. 6. Artificial watering of the land.
  6. 7. A mineral mined for in the Andes Mountains.
  7. 9. South America's best known trek.