Removal of vegetation from a slope increases landslide danger because vegetation ____.

Removal of vegetation from a slope increases landslide danger because vegetation ____.
   a. removes water from the soil
   b. removes clays from the soil
   c. holds the surface in a homogenous layer
   d. concentrates water in the soil
   e. amplifies the effect of shock and vibration

Question 2

A landscape hazard is best reduced when ____ of the slope.
   a. mass is added at the head and water drained from the toe
   b. mass is added at the head and water injected in the toe
   c. mass is removed from the toe
   d. water is removed at the head
   e. mass is added at the toe and water drained from the toe

Question 3



Question 4

The equilibrium of a slope is likely to be disturbed if the ____.
   a. slope angle steepens or the load is either increased or decreased
   b. slope angle is steepened or shallowed and the load is decreased
   c. angle of repose is decreased
   d. slope angle steepens or the load is increased
   e. cohesion of grains is increased

Question 5

The danger of quick clay is enhanced when the ____.
   a. clay plates form triangular or tetrahedral structures
   b. clay layer is frozen
   c. clay grains align with slope angle
   d. clay grains compact to take up less space
   e. clay absorbs moisture

Question 6

You would expect to find quick clays in ____.
   a. the interior of a talus
   b. old freshwater stream beds
   c. exposed subsurface material from translational slumps
   d. headscarps of rotational slumps
   e. old marine beds or estuaries