ESS
Grade-4
Easy
Question
______ landform is created by glacial erosion.
- Sand dune
- V – shaped valley
- U – shaped valley
- All of these
Hint:
Also called trough valleys.
The correct answer is: U – shaped valley
The correct option is c) U – shaped valley.
- U-shaped valleys, also called trough valleys or glacial valleys, are the result of the freezing process. They are especially characteristic of mountain glaciers.
- It has a characteristic U-shape in cross section, with steep, straight sides and a flat or rounded bottom.
- Valley glaciers sometimes flow into the sea through narrow inlets (fjords). Steepen the surrounding walls as you would when carving a U-shaped valley.
- For example, fjords have high, steep walls like glacial valleys, but their floors are below sea level and therefore flooded with seawater.
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