For how long did fine-grained dust particles from the eruption of Mount Pinatubo remain in the atmosphere?
A) several days
B) several weeks
C) several months
D) several years
Correct Answer:
Verified
Q10: From what direction do the trade winds
Q11: How does desert pavement form?
A)by intense chemical
Q12: Which of the following is a coarse,gravelly
Q13: For the same velocity,why is air flow
Q14: Which of the following statements is true?
A)Air
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
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