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Rock armour works by stopping the sea erode the cliff behind it. It lets the sea erode the rock, protecting it from coastal erosion.

As the rock is hard, it will last for many years - granite is perfect for this job.

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11y ago
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13y ago

it protects the cliff from being eroded quickly and also deflects some of the energy of the waves

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6y ago

The advantage is that it absorbs energy from storm waves, prevents erosion. disadvantages can be moved by the sea (undermined).

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14y ago

It stops headlands from eroding

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Q: What are Advantages of Rock armor?
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