Chapter 18

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Across
  1. 2. Fan A fan-shaped deposit of sediment formed at the foot of mountains.
  2. 4. Flat A flat area of ground covered with salt, often found in deserts.
  3. 5. A broad slope of debris formed by the erosion of mountain ranges.
  4. 8. A violent windstorm that carries sand and dust.
  5. 10. A dry riverbed in an arid region that occasionally carries water.
  6. 11. A stony or gravelly desert surface, often covering large areas.
  7. 12. A gently sloping rock surface at the base of mountains.
  8. 15. A smaller version of a mesa, usually more isolated.
Down
  1. 1. A dry, flat area of land that was once a lake bed.
  2. 3. A flat-topped hill with steep sides, common in deserts.
  3. 6. A climate characterized by little rainfall and high evaporation rates.
  4. 7. A barren area of landscape where little precipitation occurs.
  5. 9. A fertile area in an arid region where water is available.
  6. 13. A mound or ridge of sand formed by wind.
  7. 14. A large area covered with sand dunes in a desert.