Question

Define the following: deflation hollows crevasses morain

Answer 1

Deflation hollows = is where wind has removed sand down to a level where a layer of particles too heavy for the wind to move (an armoured surface) stabilises the sand and prevents the surface being lowered further

Crevasses=it’s mean a deep open crack like for example on the glacier

Morain= an accumulation of earth and stones carried and finally deposited by a glacier.

Answer 2

Answer:

Defletion hollows: Defletion hollows are ever wind has removed sand down to a level where a layer of particles is too heavy for the wind to move stabilises the sand and prevent the surface being lowered further. It's also known as blow out dune.

Explanation:

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