Ch 1 Our Earth

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Across
  1. 1. low land area between two hills.
  2. 4. high land
  3. 6. Very high hills
  4. 7. piece of land surrounded by water by all the sides.
  5. 9. model of the earth
Down
  1. 2. blue planet
  2. 3. raised land with flat top.
  3. 5. flat land
  4. 8. mountains are covered with it.