system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: What happens to sound after the sound is no longer there, it seems to vanish, but where do sounds go?
gpt
Sounds are waves in air. They will slowly disperse and turn into heat after hitting things and being partially reflected and spread out over a wide area.

Imagine dropping a stone into a pond, just like the waterwaves soundwaves will get weaker quickly.