Question

How do the inner and outer cores differ?

A. The inner core is liquid and the outer is solid

B. The inner core is metal and the outer is rock

C. The inner core is rock and the outer is metal

D. The inner is solid and the outer is liquid

Answer 1

D.

Step-by-step explanation:

The inner core is only solid due to the immense amount of force and pressure on it while the outer core is liquid because the pressure isn't high enough to keep it solid.