1 Corinthians 15:29: Baptisms For The Dead?
Everything people do for dead people inside these beautiful buildings is not of God. Nothing done for the dead is accepted by the Lord either.
Mormons who believe the Book of Abraham are denying what is written in Genesis. They are accepting a belief in a plurality of Gods instead of one true God which the Bible teaches.
Joseph Smith taught that the Son is the Father, and the Father is the Son. This is seen in his change to Luke, chapter 10, verse 22, in the JST.