Question

What is the difference between I shaped valley and u shaped valley

Answer 1

 U-shaped valleys with a flat floor and steep sides. The glacier widens, steepens, deepens and smoothes V-shaped rivervalleys, eg Great Langdale Valley in the Lake District. The images below show thedifference between a U-shaped valley and a V-shaped valley.

Answer 2

i shaped valleys are known as canyons whereas u shaped valleys are known as glacial trough