You Are a Geologist Detecting S (Secondary)seismic Waves from a Source

Multiple Choice

You are a geologist detecting S (secondary) seismic waves from a source somewhere else on Earth.You know that these S waves

A) have traveled in a straight line through Earth from the source to your detector.
B) have not passed through the center of Earth.
C) have traveled along the surface of Earth from the source to your detector.
D) must have originated only a few hundred miles away because S waves tend to attenuate quickly within Earth.