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.
yo its the Vatican City in Europe
Smmaakakqkqmwkqkqkwkskwpqoql sorry I needed points
Dude I don’t even know because if you multiply 100 by 3.14 it’s 364