The core
Core.
mainly the outer core
The inner core is solid and composed mostly of iron.
The inner core.
Mantle.Earth's largest layer is the mantle.
Umm iron?
mantle
mantle
Core.
It's called the liquid iron and nickel of the outer core. There is no layer of melted rock near the center of the Earth.
The Inner Core
It is believed that the innermost layer of the earth, the inner core, is made mostly of iron and nickel.
mainly the outer core
The inner core is solid and composed mostly of iron.
core
(The layer that is melted material inner core, the inner core can melt iron & nickel.)
The inner core.