Building artificial levees has been said to be self-perpetuating. Why does building a levee in one place

along a river system prompt the construction of another downstream? What will be an ideal response?


Where new levees are built, usually on top of natural ones, floodwater is prevented from entering the
adjacent floodplain. This water is then forced to flow downstream to other areas. Natural levees in
those areas will then experience higher than normal water levels and may be overtopped. The typical
solution to this flooding problem is construction of an artificial levee. During the next high water
period, the story is repeated, thus perpetuating levee construction in the downstream direction.

Environmental & Atmospheric Sciences

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Petrified wood is formed via permineralization.

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Compared to clear conditions, cloud cover reduces the daytime high temperature and increases the nighttime low temperature

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

How do the height and thickness of clouds influence the probability of precipitation?

What will be an ideal response?

Environmental & Atmospheric Sciences

Why do you think the water used for power generation comes mainly

from surface water instead of groundwater? What will be an ideal response?

Environmental & Atmospheric Sciences