The innermost layer is the core with a radius of about ________ km.
A
500
B
6500
C
9500
D
3500
Correct Answer: 3500
The core has, in total, a radius of 3500 km, but it is generally viewed as two distinct parts: the solid inner core, with a radius of 1220 km. the viscous outer core, with a radius of 2300 km.