Erosion of sandstone creates what?
A) rock varnish
B) quartz sand
C) ventifacts
D) a pedestal rock
Correct Answer:
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Q43: Through saltation and traction, sand grains move
Q44: Q45: Why are dust storms toxic in the Q46: A _ is a flat-topped area that Q47: What are dry stream channels called in Q49: Where sand completely covers the desert floor, Q50: Approximately when did the Sahara experience wetter Q51: The Aral Sea streams were diverted mainly Q52: In deserts, where streams exit a steep Q53: _ consists of tightly interlocking stones that![]()
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