Question

A sound is generated by the vibrations of the earth's crust just before an earthquake is an example of what kind of sound? What is the frequency of this sound ?​

Answer 1

Answer:

As discussed in Lesson 5, earthquakes occur when elastic energy is accumulated slowly within the Earth's crust as a result of plate motions and then released suddenly at fractures in the crust called faults. The released energy travels in the form of waves called seismic waves

Answer 2

Answer:

As discussed in Lesson 5, earthquakes occur when elastic energy is accumulated slowly within the Earth's crust as a result of plate motions and then released suddenly at fractures in the crust called faults. The released energy travels in the form of waves called seismic waves.

Explanation:

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