Based on its stair-step pattern of landform assemblage, the Grand Canyon is an example of what type of desert terrain?
A. erg
B. basin-and-range
C. hamada
D. playa
E. mesa-and-scarp
Question 2
What landform usually forms in the lowest portions of a basin between two ranges?
A. alluvial fans
B. piedmont
C. scarp
D. playa
E. bajada