B. Directions: Identify whether the following descriptions below describes a Primary wave or a Secondary
wave. Write P for primary waves and S for S-wave on the space provided for.
9. I am a longitudinal wave because I can be compressed and can be expanded.
10. I am the fastest type of body waves.
11. I can only move through solid rock and not through any medium.
12. I am a transverse wave because I will rise and fall perpendicular to the direction of the
wave travelled.
13. I can pass through the solid and liquid layers of the earth's interior.​