Deep, steep-sided valleys that originate on the continental slope and may extend to depths of 3 kilometers are referred to as ____________.

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     trenches
      rifts
      submarine canyons
      abyssal plains
      slope canyons
asked Jun 13, 2012 in Geography by anonymous
    

1 Answer

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submarine canyons
answered Jun 15, 2012 by Geodude ~Top Expert~ (9,680 points)

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