Study the image above showing coastal defences to the south of Hornsea. How do these sea defences help protect the coastline? brainliest foe best answer

Sea walls aim to protect the coast by by shielding it with concrete, steel and stone. Some sea walls are recurved, like the one shown in the video of Scarborough sea defences below. The aim of the lip is to deflect the energy of the wave. ... They also create a strong backwash which can erode under the wall.

there is a treasure chest with billions of gold on a sunken ship.

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