How much of Earth's land area is covered by arid regions?
A) 5%
B) 20%
C) 50%
D) 80%
Correct Answer:
Verified
Q16: How do ventifacts form?
A)by dissolution by dew
B)by
Q17: Most windblown sand consists of
A)calcite.
B)feldspar.
C)gypsum.
D)quartz.
Q18: Eolian processes are powered by
A)glaciers.
B)ocean currents.
C)streams.
D)wind.
Q19: Which of the following processes does not
Q20: Martian dust storms are a major problem
Q22: Over the past 20 million years,the interior
Q23: If the North American plate suddenly changed
Q24: Which of the following best explains
Q25: Which of the following statements is false?
A)Deserts
Q26: What type of sedimentary deposit results from
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