Alternate freezing and thawing of soils results in the "heaving" of plants and the destruction of shallow building foundations.This effect is due primarily to _____.
A)the expansion of water when it freezes
B)the wetting and drying of swelling-type clays
C)pressure from upward movement of water from lower horizons
D)the breaking down of soil aggregates due to freezing and thawing
E)the hydration of adsorbed cations on the soil colloids

Question

Quizplus · Accepted Answer

When water freezes, it expands by approximately 9%, which can cause the soil to expand and push upwards on anything above it, such as plants or shallow building foundations. This phenomenon is known as frost heaving.

Alternate Freezing and Thawing of Soils Results in the "Heaving