For example: When my fiancé is making toast or coffee in the kitchen, I can smell it throughout our whole apartment, and the smell stays for a pretty long period. But if I would break wind for example, it would dissipate after a short while and not travel between rooms.
Why is that?
In: Chemistry
Different amounts and different chemicals. Making toast or coffee produces much more gas than a fart.
Some chemicals are also much more easily detected by the human nose. [Especially some Sulfur compounds have ridicilous odour strengths.](https://en.wikipedia.org/wiki/Thioacetone)
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