Complex sentence: The burning bush is an object described by the Book of Exodus as being located on Mount Horeb; according to the narrative, the bush was on fire, but was not consumed by the flames, hence the name.
Split into simpler sentences: The burning bush is an object described by the Book of Exodus as being located on Mount Horeb. According to the narrative, the bush was on fire, but was not consumed by the flames, hence the name.