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
Define destroy: to ruin the structure, organic existence, or condition of; also : to ruin as if by tearing to shreds â destroy in a sentence to ruin the structure, organic existence, or condition of; also : to ruin as if by tearing to shreds; to put out of existence : kill; neutralizeâ¦ See the full definition