- Sound wave is a kind of wave
- A wave is formed by the vibration of the source spreading around from the source
- So, sound wave is formed by the vibration of the source spreading around from the source

- Sound wave is formed by the vibration of the source spreading around from the source
- Spreading around is similar to spreading in all directions
- So, sound waves spread in all directions away from their source

So, sound waves spread in all directions away from their source
Q: An earthquake in the Earth's crust under the ocean releases sound waves. Which statement accurately describes how the sound waves spread?
Context:
- Spreading around is similar to spreading in all directions 
- Sound wave is a kind of wave 
- A wave is formed by the vibration of the source spreading around from the source