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Vlad1618 [11]
3 years ago
10

Over time, a river gradually shifts its position back and forth across a valley bottom. As it shifts, it drops sediment to gradu

ally build up a flat floodplain.
As the landform's name implies, another process plays a role in floodplain formation. Which of the following describes this process?
Biology
2 answers:
Blababa [14]3 years ago
6 0

Answer:

running water smoothing out the rocks

Explanation:

Serggg [28]3 years ago
3 0

Hello. This question is incomplete. The full question is:

" Over time, a river gradually shifts its position back and forth across a valley bottom. As it shifts, it drops sediment to gradually build up a flat floodplain.  As the landform's name implies, another process plays a role in floodplain formation. Which of the following describes this process?Glaciers move through a river valley every winter and flatten out the landforms.

A. Glaciers move through a river valley every winter and flatten out the landforms.   B. A river may flood its valley and form a permanent inland sea.   C. Acid rain weathers large rocks until they form a broad, flat plain.  D. A river floods over its channel banks and deposits sediment on the wide valley bottom. "

Answer:

D. a river floods over its channel banks and deposits sediment on the wide valley bottom.

Explanation:

Flood planice is the term used to describe an area that is on the edge of a body of water (river, lake, etc.) that is flooded whenever this body of water goes through a flooding process. The floodplain occurs naturally in nature and presents a soil rich in nutrients and promising for agricultural processes due to the high fertility of the soil.

In summary, we can say that the areas that present floodplain exist because a river floods the banks of the channel and deposits sediments in the vast valley floor.

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