Ergs are ________.
A) sometimes originated by non-desert conditions
B) absent from the Sahara
C) large, crescent-shaped dunes
D) usually composed of silt
E) notable for the absence of dunes
Correct Answer:
Verified
Q40: The prime factors in desertification in the
Q41: An aeolian form NOT unique to arid
Q42: The world's longest expanse of coastal dunes
Q43: Sand dunes are composed mainly of individual
Q44: As loess erodes, it _.
A) forms bluffs
B)
Q46: Where the landscape is covered by sand
Q47: The wind rolling pebbles across the desert
Q48: Sand grains are generally made out of
Q49: Approximately _ percent of the coterminous United
Q50: _ is the primary agent that anchors
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