The correct answer is B. sand sea. In the Sahara, an "erg" refers to a vast area covered predominantly by sand dunes.
In the Sahara, the term erg is used to describe a(n) __________.
A.
oasis
B.
sand sea
C.
rocky mountain
D.
river
Please select the best answer from the choices provided
A
B
C
D
1 answer