Which of the Following Is True of Eolian Ripples

question 11

Multiple Choice

Which of the following is true of eolian ripples?

• A)they are generally positioned parallel with the direction of the effective wind.
• B)their spacing is controlled by the moisture content of the sand.
• C)they are oriented transversely,or at right angles,to the direction of the wind.
• D)they form reg deserts made up of lag gravels.
• E)exact wind speed can be calculated from their spacing.

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