Land and Sea

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Across
  1. 2. Deep, narrow depression in the ocean floor.
  2. 6. Elevated flat area.
  3. 9. Body of water partially enclosed by land.
  4. 10. Tidal mouth of a large river.
  5. 11. Ridge of rock, sand, or coral in the sea.
  6. 12. Land surrounded by water.
  7. 15. Land surrounded by water on three sides.
Down
  1. 1. Deep, narrow sea inlet between steep cliffs.
  2. 3. Deep gorge with steep sides.
  3. 4. Low area between hills or mountains.
  4. 5. Pointed piece of land jutting into the sea.
  5. 7. Large natural elevation of the Earth's surface.
  6. 8. Extremely deep part of the ocean.
  7. 13. Hill of sand shaped by the wind.
  8. 14. Landform at the mouth of a river.