Home » Geography » The predominant action at the upper course of a river isThe predominant action at the upper course of a river is The predominant action at the upper course of a river is A. saltation B. transportation C. deposition D. corrosion E. corrasion Correct Answer: Option E Explanation Related Posts The graphic technique used in Q is An extensive fertile plain with a relatively low population will most likely be characterized by Which of the following is not important in defining soil? The feature marked X in the diagram is a Which of the following are primary industries? The rocks of the basement complex are generally referred to as