Potholes in river bottom bedrock form by

Name: Potholes in river bottom bedrock form by
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Question

Quizplus · Accepted Answer

Potholes in river bottom bedrock form by the grinding action of a pebble or cobble in a swirling eddy. This is because the swirling water picks up and carries sediment (like a pebble or cobble) that is then forced against the bedrock, grinding away at the rock and creating a hole or depression. Over time, these depressions can become larger and deeper, forming potholes.

Potholes in River Bottom Bedrock Form by