Erosional glacial landforms

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Across
  1. 2. Angular, sharp pointed mountain tops
  2. 4. scratches or grooves on exposed rock in glaciated areas
  3. 5. Narrow, steep sided ridges found between 2 corries
  4. 7. Armchair-shaped hollows found on upland hills
Down
  1. 1. Large, shallow basins with planforms similar to an ellipse
  2. 3. Asymmetrical projections of resistant rock found on the floor of glacial troughs
  3. 6. U-shaped valleys with relatively shaped planforms