Question

Name the indirect sources on which study of the internal structure of the earth depends.

Answer 1

Answer:

Indirect sources include meteors that at times reach the earth, gravitation, magnetic field, and seismic activity. Most of our information about earth's interior has come from seismic studies.

Answer 2

Answer:

Most of what we know about the interior of the earth came from the study of seismic waves from large earthquakes pass throughout the earth. These waves contain vital information about the internal structure of the earth