challenge: Where is the Strýtan vent field located in relation to the Dalvík Lineament?
  
  A. It is not associated with the Dalvík Lineament
  B. It is located in the vicinity of the Dalvík Lineament
  C. It is located at the intersection of the Dalvík Lineament and the Mid-Atlantic Ridge
  D. It is located at the terminus of the Dalvík Lineament
  Answer: 