The world's desert regions ____.
A) have always had arid climates
B) are 99% covered by active sand dunes
C) are fragile environments
D) have no vegetation
Correct Answer:
Verified
Q7: In arid regions, the wind is commonly
Q15: Desert regions characteristically _.
A)have highly unpredictable frequencies
Q16: Playas are _.
A)ancient Pleistocene shorelines representing a
Q17: The joining together of several adjacent alluvial
Q18: Knobs of bedrock that rise up from
Q19: Streamlined eolian erosional landforms that taper in
Q21: Eolian saltation typically _.
A)carries the heaviest part
Q22: Dunes along the coast _.
A)are not conducive
Q23: Compared to sandstorms, dust storms _.
A)involve gravel-sized
Q25: Plateaus, mesas, and buttes are all related
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