If you dredged a rock sample from the seafloor at the spot labeled "X" on the map, which rock type would you be most likely to recover?
(A) 
(B) 
(C) 
(B) (C) If you dredged a rock sample from the seafloor at the spot labeled "X" on the map, which rock type would you be most likely to recover?
(B) (C)