rivers transport rocky materials from their points of origin (such as mountains undergoing erosion or weathering) to the ocean, where they then accumulate.
(rivers; transport; rocky materials; from their points of origin (such as mountains undergoing erosion or weathering) to the ocean) (mountains; undergoing; erosion) (they; accumulate; L:the ocean; T:then)
rivers mountains they
transport undergoing accumulate
rocky materials from their points of origin (such as mountains undergoing erosion or weathering) to the ocean
erosion
L:the ocean T:then