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Under which condition are meanders more likely than braiding in a river?

Answer and explanation

Correct answer: Low gradient, steady discharge and finer sediment

Correct answer: B. Meanders are sinuous bends that commonly develop where a river can erode its outer bank and deposit sediment on its inner bank over time. A relatively low gradient, fairly steady discharge, and finer or more cohesive material can support this lateral migration. Braided channels are more often associated with abundant coarse sediment, variable discharge, multiple unstable bars, and frequently a larger sediment supply than one channel can carry. Therefore A generally favours braiding, not meandering. C describes a glacial setting, and D describes karst weathering; neither controls the normal choice here. The memory cue is: stable flow plus one shifting channel favours meanders; excess coarse sediment plus unstable bars favours braiding.

Related tags

MeandersBraided RiversFluvial ProcessesRiver MorphologyReconciling Cash Book And Passbook DifferencesBank Reconciliation StatementAccountancyClass 11 Mcq

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