Why Does the Removal of Material at the Base of a Slope

question 1

Multiple Choice

Why does the removal of material at the base of a slope decrease its stability?

• A) Removing material decreases the surface tension between grains.
• B) The force of gravity decreases,and the slope will fail.
• C) The slope now has a much lower angle of repose.
• D) The slope now exceeds the angle of repose of the material.

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