The mantle is a layer between the crust and the outer core. Earth's mantle is a silicate rocky shell with an average thickness of 2,886 kilometres (1,793 mi). The mantle makes up about 84% of Earth's volume. It is predominantly solid but in geological time it behaves as a very viscous fluid.
demolition - an event (or the result of an event) that completely destroys something wipeout, destruction conclusion, ending, finish - event whose occurrence ends something; his death marked the ending of an era; when these final episodes are broadcast it will be the finish of the show
evacuated. 1  transitive verb. 2  1 : to remove the contents of : empty. 3  2 : to discharge from the body as waste : void. 4  3 : to remove something (such as gas or water) from especially by pumping. 5  4a : to remove especially from a military zone or dangerous areab : to withdraw from military occupation ofc : vacate 1 were ordered to evacuate the building.