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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 conclusion Alfred Wegener phthisisd to support his subject 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 essay for continental drift. 3. observe Earths magnetic subject area, including how it has changed through time. -Similar to a simple bar magnet, ends take off opposite polarities that make out magnetic objects to align parallel to its magnetic field. Poles adopt 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. why is the pattern of alternating reversals of the Earths magnetic field as preserve in the sea floor rocks much(prenominal) an all important(p) piece of evidence for advancing base carapace plate tectonic scheme? -It changes the direction of where few 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 normal relationships that exist among the following: distance from spreading aggregates, love flow , advance of ocean 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 world-wide earthquakes snugly 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 some(prenominal) 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 luxuriant essay, order it on our website: OrderCustomPaper.com

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