The following items describe the conditions relating to a slump except item ________. 1. curving, scallop-shaped rupture scarp 2. broken pavement and tilted trees 3. vertical sedimentary rock layers bent downslope 4. occurring in regolith or weak rock

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The conditions listed in items 1, 2, and 4 are all characteristics of a slump, but item 3 describes a condition of a landslide, which is a different type of mass wasting event. In a landslide, rock or soil slides downslope along a clearly defined surface, whereas in a slump, a mass of material moves as a single unit along a curved surface.

The Following Items Describe the Conditions Relating to a Slump