Question

Which of the following is the densest compositional layer of the earth/

A The inner core
B The outer core
C The core
D The crust

Answer 1

A - inner core

The densest layer is the solid metal inner core.

Answer 2

A it’s A because is at the center and the least dense layer (crust) is the outermost layer. The atmosphere, composed of gases, can technically be considered a layer as well and is obviously lighter than the crust.