which layer of the earth is solid iron and nickle

Answer 1

The layer of the Earth that is primarily composed of solid iron and nickel is the inner core. The inner core is a solid sphere, with temperatures that can reach up to about 5,700 degrees Celsius (10,300 degrees Fahrenheit). Surrounding the inner core is the outer core, which is liquid and also consists of iron and nickel, but the inner core itself is solid due to the extreme pressures found at that depth.