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An Introduction to the World's Oceans, 10/e
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The Sea Floor and Its Sediments

Internet Exercises
In this section we'll explore some features of the continental margins. Using the scrollbar on the right, find the map of the United States at the middle of the webpage. Click on Section B on the Gulf Coast of Florida. Why is the west coast of Florida bounded by a sheer cliff? Now click on Section E off the coast of Oregon. What causes the series of ridges along the continental shelf in Oregon?
Explain the different patterns of sediment thickness of the sea floor off the west and east coasts of South America. Are these patterns the result of geologic features or processes occurring on land or in the oceans?