Let's revise Some words.

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Across
  1. 2. Covered with mountains; having many mountains
  2. 4. Items that are bought or sold.
  3. 6. A journey from one place to another.
  4. 7. A dry, sandy area with little or no vegetation.
  5. 10. A passage through an obstruction
Down
  1. 1. A structure built to span a physical obstacle, such as a river or valley.
  2. 3. A vehicle used in snowy areas.
  3. 5. The act of going from one place to another.
  4. 8. A vehicle on rails that carries passengers
  5. 9. Different types of landscapes like mountains, valleys, and plains