__________are constructed perpendicular to the shoreline and designed to interrupt beach drift and longshore currents that "change" shorelines irrespective of human plans and foreshore engineering works.
A) Seawalls and breakwaters
B) Barrier islands
C) Tidal deltas
D) Groins and jetties

Question

Quizplus · Accepted Answer

Groins and jetties are structures built perpendicular to the shoreline specifically to interrupt the natural movement of sand and sediment along the coast, caused by beach drift and longshore currents. This helps to stabilize and protect the shoreline from erosion and other changes.

__________Are Constructed Perpendicular to the Shoreline and Designed to Interrupt