The equilibrium of a slope is likely to be disturbed if the ____

a. ?slope angle steepens or the load is either increased or decreased
b. ?slope angle is steepened or shallowed and the load is decreased
c. ?angle of repose is decreased
d. ?slope angle steepens or the load is increased
e. ?cohesion of grains is increased


ANSWER: d

Environmental & Atmospheric Sciences

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