Alternate Freezing and Thawing of Soils Results in the "Heaving

question 4

Multiple Choice

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

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Definitions:

Willpower

refers to the ability to control impulses and delay short-term gratification for long-term objectives.

Commitment

The state or quality of being dedicated to a cause, activity, or goal.

Optimistic Biases

The tendency to believe that we are less likely to experience negative events and more likely to experience positive events compared to others.

Pessimistic Biases

A cognitive tendency to anticipate negative outcomes or to view situations more negatively than they may actually be.