A Rotational Slump Typically Occurs in ____

Multiple Choice

A rotational slump typically occurs in ____.

A) any material that lacks a planar surface guide
B) heterogeneous, cohesive material with a planar surface guide
C) heterogeneous, non-cohesive material with no planar surface guide
D) homogenous, cohesive material with a planar surface guide
E) homogenous, cohesive material with no planar surface guide