Which of the following is most similar to medical tomography as it is described in the passage
A.The use of ocean-current meters to determine the direction and velocity of the ocean’s mesoscale fields.
B.The use of earthquake shock-wave data collected at several different locations and combined to create a three-dimensional image of the Earth’s interior.
C.The use of a grid-point sensory system to map global weather patterns.
D.The use of subsurface floats to map large-scale circulation in the ocean.