To prevent coastal erosion.
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wellthey are called defenses and this is because a river starts in a mountain and ends at the sea wellthey are called defenses and this is because a river starts in a mountain and ends at the sea
The sea defences consist of Rip Rap(rock armour); sea wall; revetments; Gabions; holes in pavement; Groynes; offshore breakwater and beach seeding.
It may fall into the sea, but the likelihood is that the sea defenses will be maintained adequately.
1991. They were built to protect the town from the severe sea erosion.
you need sea defenses to keep unwanted vessels (boats, submarines, etc.) out.
there has been a sea wall built out to sea, but this has increased erosion ferther down the coast.
Groynes, columns of boulders and sea walls are the most popular ones. sea walls are the most expensive, costing about 700,000 pounds per metre!
it was an integral part of the sea defenses devised by his predecessor, King Joao II.
because some counties are more important than others