Answer:sand dunes
Explanation:
They are man made barriers, made of sand, to protect the coast from erosion from the incoming waves. They also help to control flooding from storm surge.
It is answer B, that is what I think it is
Race doesnt exist and ethnicity is where youre from.
<span>friends and relative had not seen each other for 30 years since the wall was put in place.
-The fall of the Berlin wall was the first step to the reunification of Germany</span>