Yes, unless that person is on your bolcked list.
I think if you block a person on facebook, he/she is removed from the friends list.
That depends on the person's privacy settings, but mainly, no...
The average facebook user has about 120 friends.
I think Lady Gaga is person who has the highest friends in Facebook
they are not alerted, but if they go to their friends list it will say "you are no longer friends with this person."
According to the Facebook Data Team, the average person usually has 120 friends.
80,000,000
yeah.
no you can't unless that person does not have any privacy settings on their page.
Your mutual friend on facebook is a one of your friends other friends. If you have 2 mutual friends, it means two of your friends are friends with this one person whom you are not
A mutual friend in facebook is the friends that you and the person have in common. To get more you could try adding more of their friends :P
No