Question

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

Both use beach nourishment to replenish sand on the beach.

Both use vegetation to keep sand on the beach.

Both are hard structures that keep sand on the beach.

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

Answer 1

Both are hard structures that keep sand on the beach. Jetties and groins are hard stabilization structures that trap or block sediment movement to reduce erosion.