Page Break 080 - -viscosity basaltic rocks that spread out over large distances making broad gentlysloping volcanic mountains These volcanoes don't

Page Break 080 - -viscosity basaltic rocks that spread out...

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-viscosity basaltic rocks that spread out over large distances, making broad, gently-sloping volcanic mountains. These volcanoes don't erupt explosively because the rocks tend not to trap gasses effectively.Points Earned:1/1Correct Answer:BYour Response:B///2Points Missed3Percentage40%1.If two drifting continents run into each other:A.The older, colder one will sink into the core.B.The older, colder one will be subducted back into the deep mantle, forming a new subduction zone.C.Both will be subducted back into the deep mantle, forming a new subduction zone.D.Neither will be subducted back into the deep mantle; instead, they will form an obduction zone.E.The older, colder one will sink into a giant subterranean lake of Pepsi One.“The Unsinkable North America” might not make it as a vehicle for show tunes, but continents have floated around for 4 billion years and are unlikely to sink in the near future. Old, cold sea floor can sink into the mantle, but continents are lower in density than sea floor and cannot follow. A continent could sink into a subterranean lake of Pepsi One if such a thing existed, but no such thing exists.
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  • Fall '08
  • ALLEY,RICHARDBANANDAKRISHNAN,SR
  • Plate Tectonics, rocks, Volcano, Appalachian Mountains, Great Smoky Mountains, Blue Ridge Mountains

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