Sand dunes are composed mainly of individual grains of ________.
A) quartz
B) sodium
C) calcium carbonate
D) loess
E) lime
Correct Answer:
Verified
Q38: Most blowouts are _.
A) microscopic
B) small
C) about
Q39: Which of the following is NOT an
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
Q44: As loess erodes, it _.
A) forms bluffs
B)
Q45: Ergs are _.
A) sometimes originated by non-desert
Q46: Where the landscape is covered by sand
Q47: The wind rolling pebbles across the desert
Q48: Sand grains are generally made out of
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