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Ocean Trench

Published on Nov 18, 2015

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PRESENTATION OUTLINE

OCEAN TRENCHES

  • is a narrow topographic depression that is found in the ocean.
  • formed when two tectonic plates come together
  • and the densest sinks below the other plate.
  • They occur in the ocean floors
  • One trench is called Mariana trench it is located in the Pacific Ocean

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Photo by Dave Lonsdale

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