Answer:
1. The crust:This is the outside layer of the earth and is made of solid rock, mostly basalt and granite.
2. The mantle : The mantle lies below the crust and is up to 2900 km thick. It consists of hot, dense, iron and magnesium-rich solid rock.
3. The core: The core is the centre of the earth and is made up of two parts: the liquid outer core and solid inner core