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Stack #2483001

WordAnswer
Continental Drift the gradual movement of the continents across the earth's surface through geological time.
Asthenosphere the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
Convection the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
Lithosphere the rigid outer part of the earth, consisting of the crust and upper mantle.
Magma hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling.
Mid-Ocean a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling of magma associated with seafloor spreading. An example is the Mid-Atlantic Ridge.
Pangaea - The breaking up and formation of supercontinents appears to have happened several times over Earth's history
Plate tectonics a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle.
Ridge Push Because mid-ocean ridges lie at a higher elevation than the rest of the ocean floor, gravity causes the ridge to push on the lithosphere that lies farther from the ridge.
Seafloor Spreading the formation of new areas of oceanic crust, which occurs through the upwelling of magma at midocean ridges and its subsequent outward movement on either side.
Slab Pull is the portion of motion of a tectonic plate that can be accounted for by its subduction.
Subduction the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
Transform Plate Boundary are places where plates slide sideways past each other. At transform boundaries lithosphere is neither created nor destroyed.
Created by: Dahnari01
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