Which phenomenon does not usually cause graded beds?

Name: Which phenomenon does not usually cause graded beds?
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Question

Quizplus · Accepted Answer

Graded beds are primarily caused by turbidity currents, which are sediment-laden water currents that flow downslope under the influence of gravity. River floods, storm waves, and tides can also transport and deposit sediment, but they do not typically generate the same sorting and layering patterns as turbidity currents.

Which Phenomenon Does Not Usually Cause Graded Beds