In Order to Preserve Their Beaches, Cities Located Along a Coast

Multiple Choice

In order to preserve their beaches, cities located along a coast will often build groins that protrude into the sea. What is the result of this process?

A) Sediment is deposited on the side of the groin facing into the current, and this results in deposition in the desired location.
B) More sediment is made available to areas downshore, so they also benefit from this engineering process.
C) Less sediment is available to areas downshore, so their beaches begin to erode.
D) both A and B
E) both A and C