13_tectonics_09_post

13_tectonics_09_post - Plate Tectonics: Review

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te tectonics: te tectonics: 1 Plate Tectonics: Review 13-1. The theory of plate tectonics ____________. A. incorporates continental drift but not sea-floor spreading B. incorporates sea-floor spreading but not continental drift C. incorporates and explains both sea-floor spreading and continental drift D. does not incorporate sea-floor spreading or continental drift 13-2. Under the theory of plate tectonics, the plates themselves are ____________. A. discrete pieces of lithosphere at the surface of the solid Earth that move with respect to one another B. discrete layers of lithosphere that are vertically stacked one atop the other C. composed only of continental rocks, which plow through the weaker oceanic rocks D. very thick (approximately one-quarter of Earth’s radius) 13-3. Continental coastlines that occur within the interior of a tectonic plate are called  ____________. A. internal margins B. passive margins C. active margins D. inert margins 13-4. Broad, sediment-covered continental shelves are found along ____________. A. active margins B. passive margins
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te tectonics: te tectonics: 2 Plate Tectonics: Review 13-5. Tectonic plates might consist of ____________. A. continental lithosphere only B. oceanic lithosphere only C. oceanic or continental lithosphere or a combination of both D. either oceanic or continental lithosphere, but not both 13-6. Deformed (bent, stretched, or cracked) lithosphere occurs ____________. A. randomly over the surface of Earth B. primarily within the interiors of tectonic plates C. primarily on the margins of tectonic plates 13-7. Every plate boundary can be recognized by ____________. A. the presence of active volcanoes B. the presence of an earthquake belt C. a deep chasm which can be seen from space 13-8. At a divergent plate boundary, two opposed plates ____________. A. move toward one another B. move away from one another C. slide past one another
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te tectonics: te tectonics: 3 Plate Tectonics: Review 13-9. At a convergent plate boundary, two opposed plates ____________. A. move toward one another B. move away from one another C. slide past one another 13-10. At a transform plate boundary, two opposed plates ____________. A. move toward one another B. move away from one another C. slide past one another 13-11. Mid-ocean ridges are ____________  plate boundaries. A. convergent B. divergent C. transform 13-12. The youngest sea floor occurs ____________. A. along passive margins B. along active margins C. along spreading centers D. randomly over the entire ocean basin 13-13. Subduction zones are ____________ plate boundaries. A. convergent B. divergent C. transform
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te tectonics: te tectonics: 4 Plate Tectonics: Review 13-14. Deep oceanic trenches are features of ____________ plate boundaries. A. convergent B. divergent C. transform 13-15. At transform plate boundaries ____________.
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13_tectonics_09_post - Plate Tectonics: Review

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