Approximately how much fresh water, equivalent to rainfall, do rivers carry annually over the land surface?A10 cmB15 cmC25 cmD35 cmAnswer: C. 25 cm Read Explanation: The basic function of the rivers is to convey surplus rain water from land to sea.Annually the rivers carry fresh water, equivalent to 25 cm of rain, evenly distributed over the whole land surface.The point of origin of the river is known as - Source Read more in App