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Oceanography Chapter 2 Review Questions 1. When did the supercontinent of Pangea exist? What was the ocean that skirt the supercontinent called? -During the geological past. It was called Panthalassa. 2. extension the lines of certify Alfred Wegener engrossd to support his cerebration of continental drift. wherefore did scientists doubt that continents drifted? -Wegner used the shapes of matching shorelines on different continents as a supporting piece of deduction for continental drift. 3. observe Earths magnetic subject area, including how it has changed through time. -Similar to a simple bar magnet, ends take away opposite polarities that wealthy person magnetic objects to align parallel to its magnetic field. Poles have wandered from geographical position over the years. 4. calculate how sea turtles use Earths magnetic field for navigation. They just attend to sense it. 5. wherefore is the pattern of alternating revers als of the Earths magnetic field as preserve in the sea floor rocks much(prenominal) an all-important(a) piece of evidence for advancing base exfoliation plate tectonic supposition? -It changes the direction of where approximately materials move so it might supporter plate tectonics move one way or the other. 6. give away sea floor spreading and explicate wherefore it is an important piece of evidence for advancing plate tectonics.

-It is a theory where land is created at the ridges and is then split apart. 7. Describe the global relationships that exist among the following: distance fro m spreading amounts, love flow, time of o! cean crustal rock, and ocean depth. The farther away the older, the enveloping(prenominal) to the spreading center the warmer and more active. 8. Why does a map of oecumenical earthquakes fuddledly match the locations of worldwide plate boundaries? -That is where pressure is released when plate tectonics rub up against all(prenominal) other. 9. Most lithospheric plates contain two oceanic- and continental-type crust. Use plate boundaries to explain why this is true. -They are close to each other...If you want to let down a broad(a) essay, order it on our website: OrderCustomPaper.com

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