Which best describes the path of S-waves and P-waves?
A. S-waves travel through the earth's interior. P-waves travel along the surface of the earth's crust.
B. S-waves travel through solids or very dense, glassy liquids. P-waves travel through solids, liquids, and gasses.
C. S-waves travel along the surface of the earth's crust. P-waves travel through the earth's interior.
D. S-waves travel through solids, liquids, and gasses. P-waves travel through solids or very dense, glassy liquids.