system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Where do my atoms go when I die?

If matter can be neither created nor destroyed, what happens to the atoms that make up my body when I shuffle off? In a year? In billions of years?
gpt
They stay right where they are. At an atomic level there is no difference between a living person and a dead one. Soon your body will be consumed by bacteria and animals, and you become food. In a billion years the atoms that made you up will be spread across the world as various new things.