Question

Question

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

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

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

Both use plants to help keep sand on the beach.
Both use plants to help keep sand on the beach.

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

Answer 1

The correct response is:

Both are hard structures that reduce erosion caused by waves.

Jetties and seawalls are hard structures built to protect the coastline from the erosive force of waves, thereby helping to manage beach erosion.