The S-wave shadow zones on planets A and B are shown. Using the same method used for Earth, sketch in the outlines of the cores for these two other planets.

a) Core outline for planet A is larger than that of planet B.
b) Core outline for planet B is larger than that of planet A.
c) Core outlines for planets A and B are the same size.
d) Core outlines for planets A and B cannot be determined.