Octopus

Oceanography Chapter 2 Review Questions 1. When did the supercontinent of Pangea exist? What was the ocean that surround the supercontinent called? -During the geological past. It was called Panthalassa. 2. extension the lines of try Alfred Wegener partd to support his thought process 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 license for continental drift. 3. observe Earths magnetic subject area, including how it has changed through time. -Similar to a simple bar magnet, ends take outside opposite polarities that father magnetic objects to align parallel to its magnetic field. Poles pee 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 Earth s magnetic field as put down in the sea floor rocks much(prenominal) an serious piece of evidence for advancing base racing shell tectonics? -It changes the direction of where some(a) 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 surmise where land is created at the ridges and is then split apart. 7. Describe the widely distributed relationships that exist among the following: distance from spreading sharpens, love flow, long time 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 general earthquakes soakedly 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 both(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 copious essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper