The best source of information that we have of the Earth's interior is acquired from Seismic Waves.
What are seismic waves?
These are waves that originate from the Earth's interior and travel across an area when they is an earthquake.
Studying these waves with the use of seismograhs and other specialized equipment, have enabled scientists to understand more of the Earth's interior.
Find out more on seismic waves at https://brainly.com/question/6835759.
