The bible does not tell us what happened to Melchizedek.
No Melchizedek did not receive a tithe from David.
Melchizedek is not a personal name but a title or role in the Bible, meaning "king of righteousness." There is no modern name associated with Melchizedek as he is a historical and biblical figure.
KJV does not say the Melchizedek wrote the psalm110, Psalm 110. 4 refers to Melchizedek as to being a priest forever. Melchizedek did not write anything in the bible, the bible refers to Melchizedek as a type order of priest that has always existed, meaning he is a theophany of Christ (manifestation)
how many years do apples live up to
They live for 35 years.
Melchizedek is not often mentioned in the Bible. All that can be surmised is that he was a priest and the king of Salem.
trek
camels can live 60 years
toucans live for 20 years'
they live up to 200 years
alligators can live up to ? years.