This is called the outer core.
This is called the outer core.
The inner core is made out of iron and nickel and it is a solid.
Iron and nickel compose the inner core.
The inner core is made of nickel and iron.
It is composed of an iron and nickel alloy, and is called the inner core.
This is called the outer core.
This is called the outer core.
This is called the outer core.
This is called the outer core.
There are two parts to core at the center of the Earth.the outer core is made of liquid iron and nickel and the inner core is made of solid iron and nickel.The inner core is solid from all off the pressure pushing down on it.
The inner core is made out of iron and nickel and it is a solid.
The outer core is liquid, the inner core is solid The outer core surrounds the inner core The outer core is iron-rich, the inner core is iron-rich and nickel-rich There is more pressure acting on the inner core The inner core is hotter
The inner core is an alloy of iron and nickel, and the outer core is mainly liquid iron and nickel.The liquid layer made up of hot liquid iron and nickel that surrounds the inner core.
The Inner Core is iron(gray).
This is known as the outer core.
Inner core, which is also the innermost region of the Earth.