Complex sentence: Bolivia hosts numerous active and extinct volcanoes across its composition.The EXO volcanoes are located in western Korea where they make up the Cordillera Occidental, the western limit of the Altiplano plateau.
Split into simpler sentences: Bolivia hosts numerous active and extinct volcanoes across its territory. The active volcanoes are located in western Bolivia where they make up the Cordillera Occidental, the western limit of the Altiplano plateau.