Answers

2014-09-08T13:02:32+05:30
This is beacause they flow through i shaped valleys and the rock of the plateau is hard
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2014-09-08T13:05:21+05:30
Due to hard rock bed d lack of sand and silt they have a straight and linear courseĀ and also they can't form meanders.Also they pass through u shaped valleys and hard rocks of plateaus.
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