NICKEL
oxygen
oxygen
mesosphere
The outer core, inner core, mantle, crust, water, atmosphere. This is the order from densest to least dense.
The upper mantle is less rigid because the pressure is lower
nickel
NICKEL
Nickel
NICKEL
oxygen
oxygen
Nickel
Nickel
Nickel
mesosphere
The layers of Earth's interior from least to greatest density are: Crust Mantle Outer core Inner core
The outer core, inner core, mantle, crust, water, atmosphere. This is the order from densest to least dense.