Respuesta :
Coastal sand organized into barrier islands then three conditions met
There is supply of sand sufficient to
form islands sea level rising there are winds and waves with sufficient energy to move the sand around.
There is supply of sand sufficient to
form islands sea level rising there are winds and waves with sufficient energy to move the sand around.
Answer:
They can form from spits, from drowned dune ridges or from sand bars. Longshore drift is the movement of sand parallel to the shore caused by the angle of the waves breaking on the beach. ... When a storm such as a hurricane digs an inlet through the spit a barrier island is formed.
Explanation:
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