Answer:
sand dunes protect inland areas from swells, tides, and winds, they must be protected and defended like national treasures. The ocean and the wind can have an unpredictable, destructive force on coastal regions
Explanation:
. A natural barrier to the destructive forces of wind and waves, sand dunes are our first line of defense against coastal storms and beach erosion. They absorb the impact of storm surge and high waves, preventing or delaying flooding of inland areas and damage to inland structures.
