Which of these techniques is the primary one used by geologists and geophysicists to probe the structure of Earth's core and mantle?
A) X-ray analysis from satellites
B) extrapolation of surface features (e.g., mountain chains) into the deep interior
C) direct sampling of interior rock by deep drilling through the ocean floor
D) study of the deflection of seismic waves from earthquakes

Question

Quizplus · Accepted Answer

The primary technique used by geologists and geophysicists to understand the structure of Earth's core and mantle is the study of the deflection of seismic waves generated by earthquakes. This method allows scientists to infer the properties of Earth's interior without direct access.

Which of These Techniques Is the Primary One Used by Geologists