Which Is NOT True of the Process by Which Indian

Which is NOT true of the process by which Indian rivers carry sediment from the Himalayas?

A) The rivers' velocity slows when they reach the lowlands, and much of the sediment settles out as silt.
B) The monsoons redeposit the silt onto the Himalayas by way of northerly wind patterns.
C) The movement of silt rearranges floodplain landscapes and complicates human agricultural and settlement efforts.
D) The seasonal replenishment of silt nourishes agricultural production in Bangladesh.