River erosion is at its greatest where river's – (1) depth is more (2) breadth is more (3) flow is fast (4) gradient is more

1 Answer

Answer :

(3) flow is fast Explanation: The outer bank (called a cut bank) has the greatest erosion because the water is flowing faster along the outer bank than the inner bank. The slower water allows sediment to be deposited (called a point bar).

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