<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
What exactly is at the core of the earth?
<|assistant|>
At the core of the earth is an iron-nickel alloy, believed to be liquid iron and nickel with an approximate composition of 75% Iron, 24.4% Nickel, and 1.6% Other Elements. This forms a solid inner core within an outer core of liquid, both surrounded by a mantle of rock.