Why Are Artificial Levees Only Useful for Some Flooding Events

question 47

Multiple Choice

Why are artificial levees only useful for some flooding events?

• A)Levees cannot be built larger than the surrounding floodplain.
• B)Flash floods occur too quickly for officials to close the levees.
• C)Levees are built in rural areas and will not help for flooding in the city.
• D)Large floods can create high pressures and undermine the levee.

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Definitions:

Relearning

The process of learning again something that was previously learned and then forgotten; it usually occurs faster than initial learning.

Extinction

The diminishing of an operant response when it is no longer reinforced, leading to a reduction or cessation of the behavior.

Initial Learning

The first stage in the learning process, where the basics of a task or knowledge are acquired.

Second-Order CR

A conditioned response elicited by a stimulus that has been associated with another stimulus already established as a conditioned stimulus.