Q: A wall of rocks or concrete that juts out into the ocean perpendicular to the shore is called?


Read this paragraph and choose the correct option from the provided answers:

Longshore drift can erode the sediment from a beach. To keep this from happening, people may build a series of groins. A groin is wall of rocks or concrete that juts out into the ocean perpendicular to the shore. It stops waves from moving right along the beach. This stops the sand on the upcurrent side and reduces beach erosion. You can see how groins work in Figure below .

 Choices:

- shield

- rib

- fault

- groin


A:
groin