1. which of the following is correct with respect to seismic waves?
a) the fastest waves are s-waves, followed by p-waves, and then surface waves.
b) both primary and secondary waves are seismic waves, but surface waves are not seismic waves.
c) primary waves can travel through solids and liquids, secondary waves can only travel through solids.
d) primary waves are the most destructive because of their circular and rolling motion on earths surface.