The outer core, is part of the world. There are roughly 2250 km in thickness, this layer consists of iron and nickel core, the outer world by a molten substances.
The outer core is the premier address in the world. A thickness of approximately 2250 km in this class consists of iron and nickel. The outer core is molten substance.
Outer core is the section of the inner earth has a thickness of about 2, the 250 kilometers. In this class, consisting of iron and nickel. The core layer is molten substance.