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:
Sorry ,I only know about this so i can't tell u of others
Answer:
Its when unnatural things, turn natural things irregularly hot or cold.
There are many ocean currents that take warm water up to London, thus warming the air there.
Colliding boundaries are convergent so the boundary would be convergent.
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Moisture evaporates from the water. The resulting warm moist air carries enormous amounts of energy. When this air is pulled into a developing hurricane it rises and as a result of this you get the Hurricane.
