Question

Describe the structural and compositional layers of Earth.

Answer 1

The outermost solid layer of a rocky planet or natural satellite. ... The Earth has an outer core (liquid) and an inner core (solid). They are not chemically distinct from each other, but they are chemically distinct from the mantle. The core is mainly composed of nickel and iron.

Answer 2

The Earth has different compositional and mechanical layers. Compositional layers are determined by their components, mechanical layers are determined by their physical properties. The outermost solid layer of a rocky planet or natural satellite. The Earth has an outer core that is liquid and an inner core that is solid.