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Ocean Trench

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

OCEAN TRENCH

  • narrow topographic depressions of the sea floor.
  • plate tectonics, or the movement of the Earth’s crust.
  • Occur when tectonic plates separate
Photo by BlatantWorld.com
2.

A REAL OCEAN TRENCH

  • in San Bruno
  • Japan Trench is the northern extension of the Mariana Trench
Photo by Ocean Networks Canada

Jelly Lund