It is 1300km and consists of mainly iron and nickel.
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 of the Earth is composed mainly of a nickel-iron alloy. There's a liquid outer core that is made of iron and is very dense. The inner core is made of solid iron and nickel.
The outer core is made up of liquid iron and nickel.
The outer core is 2300 kilometers thick. It is composed of mainly nickel and iron. The inner core is 1200 kilometers thick and composed of iron.
inner core mainly consists of iron, nickel and some lighter elements outer core mainly consists of iron, some nickel.
The inner and outer core consist primarily of the elements nickel and iron.
It is 1300km and consists of mainly iron and nickel.
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 of the Earth is composed mainly of a nickel-iron alloy. There's a liquid outer core that is made of iron and is very dense. The inner core is made of solid iron and nickel.
The inner core of the Earth consist mainly of the metals iron and nickel.
The inner core is made out of iron and nickel and it is a solid.
Both! The outer core is in a liquid state and the inner core is a solid. Both the inner and outer core are formed mainly of iron and nickel.
Both! The outer core is in a liquid state and the inner core is a solid. Both the inner and outer core are formed mainly of iron and nickel.
The outer core is made up of liquid iron and nickel.
The outer core is 2300 kilometers thick. It is composed of mainly nickel and iron. The inner core is 1200 kilometers thick and composed of iron.
Iron-nickel & alloyIron (Fe) and Nickel (Ni).