tigerrawrz71 tigerrawrz71
  • 23-10-2018
  • Biology
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Potholes may form on the bottom of a stream because of

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sf28 sf28
  • 23-10-2018

A pothole is formed when a circular current of water carrying small pebbles and sediment begins to wear away a rock surface. So it can occur due to swirling pebbles.

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