Scientists believe that the inner core of the Earth is
A) a rocky solid, composed of iron and magnesium-rich silicates.
B) liquid, comprising molten iron.
C) a metallic solid, composed of nickel.
D) solid metal, composed of mostly iron.
E) a molten alloy of iron and nickel.

Question

Quizplus · Accepted Answer

The current scientific consensus is that the inner core of the Earth is a solid metal, primarily composed of iron with smaller amounts of nickel and other elements. This conclusion is based on observations of seismic waves and their behavior as they pass through the Earth's layers.

Scientists Believe That the Inner Core of the Earth Is