Answer:

1. Liquid Outer Core

2. Solid Outer Core

1.) liquid outer core

P waves travel through the fluid layers of the Earth's interior, and yet they are refracted slightly when they pass through the transition between the semisolid mantle and the liquid outer core.

1.) solid

S-waves can travel only through solids, because only solids have rigidity. S-waves cannot travel through liquids or gases. Because the earth's mantle becomes more rigid as its depth below the asthenosphere increases, S-waves travel faster as they go deeper in the mantle.

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