Question

How are jetties and groins similar in how they manage beach erosion?(1 point)
Responses

Both are soft alternative strategies that use barriers to keep sand on the beach.
Both are soft alternative strategies that use barriers to keep sand on the beach.

Both are hard structures that keep sand on the beach.
Both are hard structures that keep sand on the beach.

Both use beach nourishment to replenish sand on the beach.
Both use beach nourishment to replenish sand on the beach.

Both use vegetation to keep sand on the beach.
Both use vegetation to keep sand on the beach.

Answer 1

Both are hard structures that keep sand on the beach. They extend from the shore into the water to interrupt longshore drift and trap sand.