Which of the following can occur when seismic waves encounter a layer in Earth's interior?
A) They can be reflected or refracted.
B) They can be absorbed.
C) Their speed can change.
D) All of the above can occur, depending upon the nature of the layer.
E) None of the above-seismic waves cannot penetrate below the crust of Earth.

Question

Quizplus · Accepted Answer

All of the above can occur, depending upon the nature of the layer. Seismic waves can be reflected or refracted, absorbed or their speed can change when they encounter a layer in Earth's interior. The specific behavior of the waves depends on the physical properties of the layer they encounter, such as its composition, density, and temperature.

Which of the Following Can Occur When Seismic Waves Encounter