Ask them.
To be a witch or not be a witch is up to you. Anybody can become a witch, no one is born a witch. If you have learnt and practice Witchcraft, then you are a witch.
No one is a witch, so there isn't a way you can tell.
Toybox
I don't know exactally the date, but people were accuesd of and killed for being a witch
The witch that imprisoned Ariel
I doubt my know
I do not know the name of the metal, witch is NONREACTIVE. I know that only noble gases witch are nonreactive.
The witch of the south. We don't know if she was a good witch or a bad witch.
I do not know of, nor can I find anything online about a movie in which Julia Roberts portrayed a witch.
I did not know citizens of Venezuela do not need a Visa to get into Witch Country
Check out the related links for information of the Salem Witch Trials.
This depends on your personal beliefs. If you can cast spells and have supernatural powers some may call you a witch.