The composition of the earth's inner core is thought to be ________.
A)basalt
B)granite
C)peridotite
D)solid iron-nickel alloy

Question

Quizplus · Accepted Answer

The best current understanding is that the inner core of the Earth is composed primarily of a solid iron-nickel alloy, based on seismic observations and laboratory experiments. The pressure and temperature in the inner core are extremely high, causing the metal to be solid despite the high temperatures.

The Composition of the Earth's Inner Core Is Thought to Be