Loess is important because it:
a. is an important source of building material.
b. is rich in important ore deposits.
c. sometimes contains petroleum.
d. makes fertile soil.
e. is an important source of groundw
Question 2Wind-blown deposits of silt and clay are called:a.
dunes.
b. loess.
c. ventifacts.
d. yardangs.
e. till.