What is the evidence for the Earth's deep interior being composed of regions of different density?
A) volcanism
B) continental drift
C) subduction
D) differences in the propagation of seismic waves

Question

Quizplus · Accepted Answer

Differences in the propagation of seismic waves provide strong evidence for the Earth's deep interior being composed of regions of different density. Seismic waves behave differently when passing through materials of different densities, allowing scientists to study the composition of the Earth's interior.

What Is the Evidence for the Earth's Deep Interior Being