________ represents the largest region with continuing desertification.
A) The North American Great Plains
B) The Sahara
C) The basin-and-range
D) The Sahel
E) The Amazon rainforest
Question 2
In the Sahel, desertification is likely to continue because of ________.
A) perennial drought
B) mistakes of the United Nations
C) expanding population
D) decreasing numbers of grazing animals
E) the presence of the Sahara to the north