The given image shows the information about what is the lower mantle.To begin with, there are three main stratum, core, mantle and lithosphere which is crust and uppermost solid mantle. According to this graph, Lithosphere includes crust and mantle includes asthenosphere, lower mantle. Last but not the least, the core includes an outer core which is liquid and inner core which is solid. In conclusion, the outer core, which is still liquid, and the inner core, which is made of solid metal.