It doesn't usually. It only does if someone is answering it while you are answering it.
It depends. If you deleted it while you were typing it for the first time, then no. If you accidentally deleted what someone else typed and you didn't save it, then what you can do is hit refresh or go back to "Question Home" and start over. If you did save it after deleting it, then the way to retrieve it is to either ask a supervisor to revert the answer, or you can reconstruct the answer from the Question History.
Yes, Facebook may save deleted messages for a period of time, as part of their data storage and backup processes.
No
Yes Edit: the save file will be deleted, but you can keep your creatures. In that case when you re-install it, you will still have your creatures.
Once you deleted your game save, it cannot be recovered.
when you save a notepad file for the first time you must also
when you save a notepad file for the first time you must also
i don't know, but i don't think so
that depends if you have a game started already but if not nothing unles you save it then your first game will be deleted
Yes, if the internal battery has run dry, your save file is deleted and you can't save.
yes
I believe so. I have no personal experience with Vine but if you properly save the Vine I think you can get it back if you deleted it.