Washes, or arroyos, are a type of _____.
a. stabilized sand dune
b. playa
c. stream channel with ephemeral flow
d. crescent-shaped sand dune
e. wind-eroded rock
Question 2
Loess is _____.
a. commonly deposited on the upwind margins of deserts
b. composed primarily of gravel-size sediment
c. primarily transported by eolian suspension
d. primarily transported by surface creep
e. deposited out of solution from desert stream water