You can not prevent sand dunes anywhere,
I believe sand dunes are mechanical.
no they are simply made of sand
dunes
snad that has been moved by wind.
Breakwaters are made so that waves have a barrier to break on. They help to reduce the force of a wave in an inshore drift and help the sand dunes to stay sloped
some man made sand dunes at the beach are walls, rocks, sand and fences!!!!
There are multitudes of sand dunes in Saudi Arabia. Over 40% of the country is made up of sandy deserts.
Dunes.
Sandstone and compacted dunes.
To prevent them from being made into war material.
To prevent you from being made to vote for someone you don't really want.
Because God made it that way! because if there is no water there is no beaches.oceans ,rivers or seas.