Answer the following question given this paragraph: 

There are two major types of seismic waves. Body waves travel through the Earth’s interior. Surface waves travel along the ground surface. In an earthquake, body waves are responsible for the sharp jolts. Surface waves are responsible for the rolling motions that do most of the damage in an earthquake.


Q: What are the rolling motions during an earthquake called?

 Choices:

- tidal waves

- seismic thrusts

- velocity waves

- surface waves

A:
surface waves
