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Geography

Which outcome results when a delta experiences overloaded sediment deposition?

A)Avulsion creating a new channel
B)Saltwater intrusion increase in estuaries
C)Development of a braided river system
D)Accelerated chemical weathering on levees

💡 Explanation

Avulsion occurs because excessive sediment deposition raises the riverbed, therefore making it energetically favorable for the river to find a steeper, shorter path to the sea, rather than continuing along the existing channel. Saltwater intrusion or chemical weathering are unrelated deposition events.

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