2. For a layered spherical earth that consists of a mantle, an outer core, and an inner core. Sketch rays for PP at 90, PcP at 30, PKP at 160, PKiKP at 120, and PKIKP at 180.

Body wave ray path and phase nomenclature ScS PS P P-wave in the mantle S S-wave in the mantle S SKS PPCP K P-wave in the outer core S I P-wave in the inner core K pp SKP P K J S-wave in the inner core K SP Solid ,' PP (SS) reflected at the SKKS inner surface core SS SPS pP (sS) P (S) wave upgoing SKKP K Fluid outer core PPP from focus reflected at the surface PPS c reflection from the CMB PKIKP Solid mantle PKJKP i reflection from the outer Prays Core-inner core boundary SKPPKP PPCPSKKP S rays - - - Pd P wave diffracted along Different curvature of SKS and PKP the CMB