Sediment that is deposited on floodplains and deltas by rivers and streams during seasonal flooding is called _______.

Gravel

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Alluvial soil

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Silt

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Backswamp

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Solution

The correct option is B Alluvial soil
Sediment that is deposited on floodplains and deltas by rivers and streams during seasonal flooding is called Alluvial soil.
Alluvium is loose, unconsolidated soil or sediment that has been eroded, reshaped by water in some form, and redeposited in a non-marine setting. Alluvium is typically made up of a variety of materials, including fine particles of silt and clay and larger particles of sand and gravel.

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Similar questions

Q8. Consider the following statements about Flood Plains:

1. A floodplain or flood plain is an area of land adjacent to a stream or river which stretches from the banks of its channel to the base of the enclosing valley walls.

2. When inundated with water, floodplains act as natural filters, removing excess sediment and nutrients, which can degrade water quality and increase treatment costs.

Which of the statements are correct?

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