Data

Copy and paste the text below. It is read-only. Select All

crust the thin and solid outermost layer of the Earth above the mantle mantle the layer of rock between the Earth's crust and core core the central part of the Earth below the mantle lithosphere the solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle. asthenosphere the soft layer of the mantle on which the tectonic plates moves mesosphere the strong, lower part of the mantle between the asthenosphere and the outer core. tectonic plates a block of lithosphere that consists of the crust and the rigid, outermost part of the mantle. continental drift the hypothesis that states that the continents once formed a single landmass, broke up, an drifted to their present locations sea-floor spreading the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies