Sagot :
Answer:
Groynes and jetties
Explanation:
Groynes and jetties are structures that are built perpendicular to shores to prevent coastal erosion by promoting beach build-up as they trap sand. Breakwaters are offshore structures that protect coasts from parallel waves and in turn, prevent erosion and submersion.
Answer:
Seawalls: Seawalls are one particularly effective way to prevent erosion. These are structures that are built along the coastline to stop waves from ever coming into contact with the sand/shore on the opposite side.
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