WGU SEA4 Geology Test
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| A. Water that flows over the land rather than infiltrating into the ground.B. A margin that consists of a continental shelf, continental slope, and continental rise. These margins are not associated with plate boundaries and therefore experience little volcanism and few earthquakes.C. A concentration of heat in the mantle capable of producing magma, which in turn extrudes onto Earth’s surface. The intraplate volcanism that produced the Hawaiian islands is one example.D. A type of lava flow that has a jagged blocky surface.E. A soil classification system consisting of six hierarchical categories based on observable soil characteristics. The system recognizes 12 soil orders.F. A large, relatively flat expanse of ancient metamorphic rock within the stable continental interior.G. The theory that proposes that Earth's outer shell consists of individual plates that interact in various ways and thereby produce earthquakes, volcanoes, mountains & the crust itself.H. A cone-shaped depression in the water table immediately surrounding a well.I. A flow of groundwater that emerges naturally at the ground surface.J. Melting that occurs as rock ascends due to a drop in confining pressure.K. Already identified deposits from which minerals can be extracted profitablyL. The washing out of fine soil components from the A horizon by downward percolating water.M. The 2,900 kilometer (1,800 miles) thick layer of Earth located below the crust.N. Igneous rocks with a low silica content and a high iron-magnesium contentO. Layers of rock that were deposited without interruption.P. A portion of the seafloor adjacent to the continents that is usually narrow and consisting of highly deformed sediments. These margins occur where oceanic lithosphere is being subducted beneath the margin of a continent.Q. A short channel segment created when a river erodes through the narrow neck of land between meanders.R. A section of a stream that leaves the main flow.S. Spherically shaped negatively changed zones that surround the nucleus of an atom.T. The sudden release of stored strain in rocks that results in movement along a fault. |
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