Different landforms and processes involved in their formation

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Across
  1. 6. created from exclusively erotional and weathering activites
  2. 8. was discovered by a croatian seismologist Andrea Mohorocivic
  3. 9. is a low lying area of land situated between hills or mountains
  4. 13. also known as table lands or flat topped mountains
  5. 14. are those that rise higher than the rest of their surroundings
  6. 15. elevated portions of lands that are formed by faulting
  7. 16. largest layer of the earth
  8. 18. circulating effect
  9. 20. predominantly silt-sized sediment formed by the accumulation of windblown dust
Down
  1. 1. are landforms controlled by gelogoical processes
  2. 2. defined as the natural physical features of the earth
  3. 3. the last and inner most layer of the earth
  4. 4. are flat and broad land areas and great changes in elevation
  5. 5. believed to be the responsible for different rock behaviors within the mantle
  6. 7. are formed by the chmical and mechanical action of the wind
  7. 10. protects us from harmful radiation from the sun
  8. 11. also called as a rock pedestral
  9. 12. has a flat topped hill and steep sides
  10. 17. small mounds of hills and sand
  11. 19. sometimes called "gorge", deep ravine between cliffs