Complex sentence: This large, complex ecoregion covers an area of undulating to rugged slopes of Queensland, consisting of ranges as well as plains of ancient sandy and clayey deposits, basalt and alluvium as well as a number of important rivers.
Split into simpler sentences: This large, complex ecoregion covers an areas from the undulating to rugged slopes of Queensland. It consists of ranges as well as plains of ancient sandy and clayey deposits, basalt and alluvium as well as a number of important rivers.