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Question
Distinguish between Longitudinal and Transverse sand dunes.
Distinguish Between
Solution
- Longitudinal sand dune:
- Longitudinal dunes are long narrow ridges of sand.
- They extend in a direction parallel to the prevailing winds.
- These dunes are called seifs in Sahara.
- Transverse sand dune:
- Transverse dunes are asymmetrical in shape.
- They are formed by alternate slow and fast winds.
- These winds blow from the same direction.
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Gradation
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