Section #: 16.2 The Seafloor

Practice Test
      
  1.What is the shallowest part of the continental margin calle SC.D.1.4.2  
  a.   the shelf break  
  b.   a submarine canyon  
  c.   the continental shelf  
  d.   the continental rise  
  Hint    
      
  2.What breaks mid-ocean ridges into smaller sections? SC.D.1.4.2  
  a.   fracture zones  
  b.   abyssal plains  
  c.   shelf breaks  
  d.   submarine canyons  
  Hint    
      
  3.__________ are submerged basaltic volcanoes more than 1 km high. SC.D.1.4.2  
  a.   Submarine canyons  
  b.   Shelf breaks  
  c.   Fracture zones  
  d.   Seamounts  
  Hint    
      
  4.How are submarine canyons formed SC.D.1.4.2  
  a.   turbidity currents  
  b.   rivers  
  c.   longshore current  
  d.   runoff  
  Hint    
      
  5.How are fjords formed? SC.D.1.4.2  
  a.   tectonic forces  
  b.   global cooling  
  c.   longshore current  
  d.   sea level rise  
  Hint    
      
  6.According to the graph, at what depth does the sea floor start to drop off? SC.D.1.4.2



 
  a.   1 km  
  b.   8 km  
  c.   4 km  
  d.   2 km  
  Hint    

 
   
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