emii1 emii1
  • 08-04-2015
  • Biology
Answered

why were the rocks on the river bed smooth?

why were the rocks on the river bed smooth class=

Answer :

sridude sridude
  • 08-04-2015
the answer is actually the third one with the rushing water. The continuous flow of water down the stream gradually eroded away jagged parts of the rocks; this phenomena is actually what created the grand canyon. Over a long period of time, the flow of water can make lasting changes. 
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danielcarlson1 danielcarlson1
  • 08-04-2015

because the water runs over them that, then makes them smooth.
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