What is the composition of Earth's core?
A. very dense
B. Very liquid
C. mostly iron
D. mostly silicate material
1 answer
The correct answer is C. mostly iron. The Earth's core is primarily composed of iron, with smaller amounts of nickel. It is divided into two parts: the inner core and the outer core. The inner core is solid and consists mainly of iron, while the outer core is liquid and also contains iron and nickel.