HISTORY
ANCIENT CHINA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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dikes
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loess
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Either A or B
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None of the above
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Detailed explanation-1: -Dam – Artificial barrier built for impounding or diverting the flow of water; see NR 333.03(3).
Detailed explanation-2: -Floodwalls and levees will protect a building site from floodwater damage. As a result, protected structures will not need additional modifications for flood protection. Site aesthetics can be preserved or enhanced. Floodwalls can utilize decorated bricks or be built into garden areas.
Detailed explanation-3: -Levees and floodwalls are typically built parallel to a waterway, most often a river, to reduce the risk of flooding on the landward side. Floodwalls, which are typically made of concrete or steel, are often constructed on a levee crown to increase the height of the levee, without increasing the base of the embankment.