There are no such thing as vampires, so telling the difference is easy. If they exist, then they are not a vampire.
If they exist, then they are human. Vampires are fictional, like elves, fairies, Santa Claus and trickle-down economics.
[Alternate: Hold a mirror up in front of them. If you see their reflection in the mirror - and you will - they are not vampires.]
If you have to ask, you can't.
She can sort of tell what willhappen in the future when she was a human, but not as accurate as after becoming a Vampire. The Vampire thing sort of strengthen her talent.
for a human to become a vampire a vampire has to bite to human
when a vampire bites a human the human can turn into a vampire or the vampire can drink all of the humans blood and kill them
Well, one of your parents has to be a vampire, one a human, so when your born your human-vampire hybrid.
Renesmee is half human have vampire
She's both. A vampire from Edward and a human from her mum. She's half human half vampire.
A human is not capable of turning himself into a vampire. In order for a human to turn into a vampire, he or she would have to be bitten by a vampire.
No If your a vampire your dead which means your more zombie then you are human
Rosalie's problem was she didn't want Bella to be a vampire. Rosalie didn't want to be a vampire herself so she tell Bella to enjoy her life as a human
No, my sister is not a vampire. She is human.
A vampire can't necessarily sense a human, vampires can sense danger. So unless the human was dangerous like a vampire hunter then no a vampire cannot sense humans.