Slumps Characteristically Have_______ and Move Downslope_________ in a Series of ________

Slumps characteristically have_______ and move downslope_________ in a series of ________.

A) flat planar sheets, in discreet slip events, earthquake induced movements
B) headwall scarp, coherent mass, rotational blocks
C) steep talus cones, in sudden jumps, inclined planes
D) overlapping lobes, by very slow creep, annual to decadal events