The steepest side of a dune has a maximum angle of about
A) 5 degrees.
B) 10 degrees.
C) 34 degrees.
D) 65 degrees.

Name: The steepest side of a dune has a maximum angle of about A) 5 degrees. B) 10 degrees. C) 34 degrees. D) 65 degrees.
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Question

Quizplus · Accepted Answer

The steepest angle a pile of sand can be without collapsing is about 34 degrees, therefore option C is the best choice. Options A and B are too shallow for a dune, while option D is too steep for a natural sand formation.

The Steepest Side of a Dune Has a Maximum Angle