<span>The muslim group that considered themselves followers of ali were called __________.
</span>A. Shiites.
<span>Sand dunes move because of wind, so to prevent a sand dune from moving you need to either: stop the wind; or stop the sand dune from being able to move. For example, on beaches, sand is stopped from moving by using groynes, which physically stop the sand from being carried any further along the beach
(Copied from my comment, pasting it here because I know on mobile apps you can't see comments, so if anyone searches, etc.)</span>
True
This even happens in really hot dessert like places such as Africa and many other 1st world countries that have odd jobs for livings.
Africa has 54 different countries