In freeze/thaw or wet/dry conditions in soil creep, an individual soil particle tends to ________.
A) slide downhill
B) be lifted vertically
C) slide downhill and then be lifted vertically
D) be lifted vertically and placed at the same spot
E) be lifted vertically from the ground surface and placed slightly downhill

Question

Quizplus · Accepted Answer

In freeze/thaw or wet/dry conditions, soil particles are lifted vertically due to the expansion of water as it freezes or the swelling of soil when it gets wet. Then, as the ice melts or the soil dries and contracts, the particles settle back down not in their original positions but slightly downhill due to gravity, leading to a gradual downhill movement of soil, known as soil creep.

In Freeze/thaw or Wet/dry Conditions in Soil Creep, an Individual