No.
There is nothing in the Bible that says John the Baptist changed his name to Mark. Soon after we first read about John the baptist he is beheaded and that's the last we hear about him.
John the Baptist was beheaded. The reference is Mark 6:14-29. To read Mark 6:14-29 visit the Related Link.
John the Baptist is mentioned in the New Testament of the Bible, specifically in the Gospels of Matthew, Mark, Luke, and John.
John eat local with honey
No he did not.
No. John the Baptist did not write any books in the New Testament.
John the Baptist appears in Luke Chapter 3. In addition to this, John the Baptist first appears in the other Gospels in: * Matthew 3:1 * Mark 1:1; and * John 1:15.
No.
No.
No.
Yes. they are different ways of descibing the same person.
Jesus was Baptised by John. In the River Jordan.