SOCIAL SCIENCES

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Across
  1. 2. A string of islands; or, another word for a mountain range
  2. 4. Hills or ridges of drifted sand as in a desert
  3. 8. Flat area of land
  4. 10. Large land mass
  5. 14. A stretch of low land lying between hills or mountains usually having a stream flowing through it
  6. 15. Stone fragments viewed initially in large ground
Down
  1. 1. a mansion and its surrounding land
  2. 3. Strip of land connecting larger land masses with water on either side
  3. 4. an AREA OF VERY LOW RAIN FALL
  4. 5. Small sheltered bay
  5. 6. Low area of land
  6. 7. Series of hills or mountains
  7. 9. AREA OF LAND BETWEEN HILLS OR MOUNTAIN
  8. 11. an ISOLATED HILL WITH STEEP SIDE
  9. 12. A rocky peak of a hill or mountain
  10. 13. Low land between hills
  11. 16. Edge of a crater or volcano