(i)River water carries gravel and boulders
The loads is hurled by the river water against the banks and dragged along a river bed
The load chips off rocks on the band and the floor
The load being dragged smoothens the river bed Eddying currences rotates rocks particle in hollows and
widen them into potholes
(ii)Water acts as solvent when it flows over rocks such as limestone
The water dissolves and carries the rocks down the stream in solution
isaacmuthini answered the question on October 20, 2017 at 09:32
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