Which Numbered Feature on This Figure Is Critical to Enable

question 27

Multiple Choice

Which numbered feature on this figure is critical to enable a rock slide to start?

• A)1,a linear or curved scar marking where the slide pulled away from the hill
• B)2,small fractures within the sliding block
• C)3,layers,fractures,or some other discontinuity inclined downslope
• D)4,the front of the slide,where it overruns the land surface
• E)5,a valley or other open space in front of the slide