How do both jetties and seawalls help manage beach erosion?(1 point)

Question

Responses

Both bring sand to the beach from offshore.
Both bring sand to the beach from offshore.

Both provide flood protection in the event of high waves.
Both provide flood protection in the event of high waves.

Both are hard structures that reduce erosion caused by waves.
Both are hard structures that reduce erosion caused by waves.

Both use plants to help keep sand on the beach.

Answer 1

Both use plants to help keep sand on the beach.