A linear structure placed perpendicular to the shore and designed to trap sand carried by longshore drift is called a
A) seawall.
B) groin.
C) breakwater.
D) jetty.
E) riprap.

Question

Quizplus · Accepted Answer

A groin is a structure perpendicular to the shore that interrupts longshore drift and traps sand, preventing erosion in some areas and creating beaches in others. The other structures listed (seawall, breakwater, jetty, riprap) have different purposes and designs.

A Linear Structure Placed Perpendicular to the Shore and Designed