Answer:
don't know sorry for selecting the right now
The answer to this question is soft sand.
The desert roadway shoulder surfaces are indeed typically consisting of soft sand. In the desert, there is an abundance of soil nutrients but the disadvantages of it is that desert is lack of water because it encountered insufficient rainfall.
True, they do produce heavy winds
The answer will be (c) <span>convergent plate boundary involving an oceanic plate because they occur from earthquakes and earthquakes come from convergent boundaries</span>