Complex sentence: It is one of the main subdivisions of the Interior Plateau located in the Central Interior of British Columbia, and includes the Cariboo and Chilcotin Plateaus and the adjoining Marble, Clear and Camelsfoot Ranges on its southwestern edge.
Split into simpler sentences: It is one of the main subdivisions of the Interior Plateau located in the Central Interior of British Columbia. The region includes the Cariboo Plateau and Chilcotin Plateau, and the adjoining Marble, Clear and Camelsfoot Ranges on its southwestern edge.