Submitted by admin on Sun, 05/18/2014 - 13:35
definition:
The gradual movement of wet soil or other material down a slope, especially where frozen subsoil acts as a barrier to the percolation of water.
sentence:
In contrast to the soil creep of temperate regions, solifluction and gelifiuction are relatively rapid processes in periglacial regions and can result in the active development of slopes.
difficulty:
hard
toefl frequency:
1
toefl classification: