Question

a triangular deposition of sediments at the mouth of a river?​

Answer 1

Answer:

Alluvium

Explanation:

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Answer 2

Answer:

The river mouth is where much of this gravel, sand, silt, and clay—called alluvium—is deposited. When large amounts of alluvium are deposited at the mouth of a river, a delta is formed. ... These sediments form the flat, usually triangle-shaped land of a delta.

Explanation:

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