Section #: 16.2 The Seafloor

Practice Test
      
  1.What is the shallowest part of the continental margin calle SC.D.1.4.2  
  a.   a submarine canyon  
  b.   the continental shelf  
  c.   the continental rise  
  d.   the shelf break  
  Hint    
      
  2.How are fjords formed? SC.D.1.4.2  
  a.   longshore current  
  b.   sea level rise  
  c.   global cooling  
  d.   tectonic forces  
  Hint    
      
  3.According to the graph, at what depth does the sea floor start to drop off? SC.D.1.4.2



 
  a.   4 km  
  b.   2 km  
  c.   8 km  
  d.   1 km  
  Hint    
      
  4.What breaks mid-ocean ridges into smaller sections? SC.D.1.4.2  
  a.   shelf breaks  
  b.   fracture zones  
  c.   abyssal plains  
  d.   submarine canyons  
  Hint    
      
  5.How are submarine canyons formed SC.D.1.4.2  
  a.   runoff  
  b.   longshore current  
  c.   rivers  
  d.   turbidity currents  
  Hint    
      
  6.__________ are submerged basaltic volcanoes more than 1 km high. SC.D.1.4.2  
  a.   Shelf breaks  
  b.   Seamounts  
  c.   Fracture zones  
  d.   Submarine canyons  
  Hint    

 
   
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