Which statement best describes the Earth's core?
A) The core of the Earth occupies most of the Earth's volume.
B) Extreme pressure makes the interior of the Earth liquid.
C) The most common element in the centre of the Earth's core is iron.
D) The Earth's inner core is liquid, whereas the outer core is solid.

Question

Which statement best describes the Earth's core? 
A) The core of the Earth occupies most of the Earth's volume. 
B) Extreme pressure makes the interior of the Earth liquid. 
C) The most common element in the centre of the Earth's core is iron. 
D) The Earth's inner core is liquid, whereas the outer core is solid.

Quizplus · Accepted Answer

According to current scientific understanding, the Earth's core is primarily composed of iron, with smaller amounts of nickel and other elements.

Answer: D
 The Earth's inner core is believed to be solid due to higher pressure, while the outer core is liquid due to lower pressure and higher temperature.

Which Statement Best Describes the Earth's Core