Answer:
As waves move from deep water toward the shoreline, the ocean bottom alters their direction and strength, just as a lens bends and reflects rays of light. ... This subtle but steadily flowing river of sand moves laterally up and down the shoreline, as well as offshore during storms and back toward land between storms.
Explanation:
A wave is the disruption of the energy of any substance from one place to another. Waves can cause the shifting of the shorelines and erosion.
Waves are the propagation of the energy of a substance from one place to another, it does transfer the energy but not the matter.
Waves can cause the shifting of the shorelines as they move the water from the deep sea towards the shorelines. During the storms, sand from the oceans moves up and down the shoreline.
Therefore, waves can shift the shorelines.
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