Geography assessment

• The inner core is a solid layer made of iron and nickel, it is extremely hot with temperatures about 543 0°C , it is about 1220 KM thick.
• The outer core is as liquid layer made of iron and nickel it is 4440°C and 2200 KM thick
• The mantle is the thickest layer of earth it is made out of semi molten rock called magma. It is mainly made of magnesium and some iron.
• The crust is the outer layer of the Earth. It is a thin layer between 0 to 60 KM thick. It is the solid rock layer upon which we live in.