Which of the following statements about sand dunes is false?
A) Grains migrate up the dune slope by saltation.
B) Dunes migrate downwind.
C) Cross-bedding is preserved during dune movement.
D) All sand dunes are made of quartz grains.
Correct Answer:
Verified
Q71: What grain feature of quartz is only
Q72: In terms of their surface deserts are
Q73: As a dune grows in height,
A)it gets
Q74: Which of the following statements about loess
Q75: Which of the following grain sizes would
Q77: Boomerang-shaped sand dunes are termed
A)barchans.
B)crescents.
C)lunar.
D)horse shoes.
Q78: What are ventifacts?
A)sand dunes
B)desert pavement
C)sand drifts
D)wind-faceted pebbles
Q79: How much of Earth's land surface is
Q80: Loess is a highly beneficial type of
Q81: What ultimately limits the height of a
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