Ill do it
1. You can hear it
2. Sometimes its funny , or scary , or serious , or drama ..
3. Its just everywhere !
Okay my last assumption.
1. You can hear it - of course you can,although some are rather sneaky some are bombs.
2. Sometimes it's funny - well they sound funny sometimes, scary yes, especially when you're in the elevator, dramatic.. uhm yeah maybe when you're stressed out.
3. Happens everywhere, indeed
It's a
fart