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which of the following are evidence for massive floods caused by the failure of ice dams at the end of the last glacial period?

Sagot :

the answer is true. The right option is (a)

Evidence for massive floods caused by the failure of ice dams at the end of the last glacial periods is Gravel deposits at high elevations. Rapid slope movement into the lake. The countryside was stripped of soil and sediment cover. Large braided channel networks.

Ice dams get flooding because, In some places, the quantity of ice will exceed the transport capacity of the river, and an ice jam will form. The jam may then build to thicknesses great enough to raise the water level and cause flooding. The rushing water has nowhere to go because the river is blocked, and it might create floods in the surrounding area.

An ice jam, or ice dam, happens when chunks of ice clump together to block the flow of a river. This can cause flooding in communities near the river.

to know more about glacial period questions:

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the complete question is

which of the following are evidence for massive floods caused by the failure of ice dams at the end of the last glacial period?

a. true

b. false