ow should James label the parts of the model indicated by the arrows labeled A, B, C, and D?James is drawing a model that illustrates how magnetic reversal supports the theory of seafloor spreading and plate tectonics. How should James label the parts of the model indicated by the arrows labeled A, B, C, and D?
A: "A: N, B: N, C: S, D: N"
B:"A: N, B: N, C: S, D: S"
C: "A: S, B: N, C: S, D: S"
D:"A: S, B: S, C: N, D: N"