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.

Question

Quizplus · Accepted Answer

Large floods can create high pressures that put stress on artificial levees, which can cause them to fail. This limitation means that levees are only useful for some flooding events and may not be effective in protecting against extremely large floods.

Why Are Artificial Levees Only Useful for Some Flooding Events