Earth's Internal Structure and Different Landform

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Across
  1. 3. the scientific study of landforms
  2. 6. it is the study of current terrain
  3. 7. these are mounds or small hills made up of sand
  4. 10. these are defined as the natural physical features on the surface of the earth
  5. 12. it is the world's largest and highest plateau
  6. 13. it is a predominantly slit-sized sediment
  7. 14. cover more than 50% of earth's surface
  8. 15. it is a low-lying triangular area located at the mouth of rivers
  9. 18. it is the largest layer of the earth
  10. 19. the circulating current
Down
  1. 1. it is a bend in a sinuous watercourse of river
  2. 2. it is the last and the innermost layer
  3. 4. also called gorge
  4. 5. the steady increase of temperature
  5. 8. these are flat and broad land areas
  6. 9. it is the thinnest layer of the earth
  7. 11. also known as table lands or flat-topped mountains
  8. 13. it is the outer solid part of the planet
  9. 16. the study of the flow of matter
  10. 17. it has a flat-topped hill and steep sides