Question

in __________ masses move down and out by sliding on planes of weakness, such as faults, bedding, or clay - rich layers. translational slides debris flows rock falls struzstroms

Explanation:

Translational slides involve movement along planes of weakness like faults, bedding, or clay - rich layers. Debris flows are more fluid - like movements of debris. Rock falls are sudden falls of rocks. Struzstroms is not a standard term in this context.

Answer:

translational slides