Baptism Thank You Message Catholics Only: Do You Believe That Baptism Removes "original Sin"?

Catholics only: Do you believe that baptism removes "original sin"? - baptism thank you message

On what biblical basis for supporting the idea that going to be baptized Catholic as a baby, the "original sin"?
So where is the idea in the repentance of a baby? The Bible always seems a few of repentance of sin with baptism. Take Mark 1:4 (NIV) - "John was baptizing in the wilderness, preaching a baptism of repentance for the forgiveness of sins." A similar message as follows: Acts 19:4, Acts 13:23-24, 1 Peter 3:21, Acts 8:12, Acts 8:36-38, Acts 8:13-24, Acts 2:37 - - 42 Please help if necessary. Thank you and God bless