Terrain

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Across
  1. 3. Set of numerous islands.
  2. 4. Rocky terrain leading to a precipice
  3. 6. Imaginary line which separates two territories.
  4. 8. Person who is dedicated to the study of maps.
  5. 9. Piece of land which is surrounded by water on all sides except one.
Down
  1. 1. Small elevation of land which is less than a mountain
  2. 2. Series of several mountains which are linked together.
  3. 4. It is a point of land that enters the sea
  4. 5. Person who is dedicated to the study of geography
  5. 7. Sunken territory and surrounded by mountains.