Which of the following lists earth's compositional layers in order of increasing density?
crust, mantle then core

The lists that arranges the Earth's compositional layers in order of increasing density is CRUST, MANTLE AND THEN CORE. The core is considered as the most dense and the lithosphere, which makes the outermost core, is considered as having the least density. Hope that this answer helps. 

Let me look that up brb