physical features

1234567
Across
  1. 3. large area. A part of ocean and sea.
  2. 4. The highest land form
  3. 6. a long way that full of water
  4. 7. A land that has water on every sides.
Down
  1. 1. A mountain that is very hot inside
  2. 2. one part of land that is thin
  3. 3. A cold river
  4. 5. A land that full with water.