Geography, asked by aasthakar123, 1 year ago

explain the evolution of valley sinks or uvalas

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Answered by Anonymous
7
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Generally, the surface run-off simply goes down swallow and sink holes and flow as underground streams and re-emerge at a distance downstream through a cave opening. When sink holes and dolines join together because of slumping of materials along their margins or due to roof collapse of caves, long, narrow to wide trenches called valley sinks or Uvalas form.

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