Well, you cannot make that claim without bringing some evidence, and this Documentary Hypothesis was supposedly some good evidence.
I posted what I did to directly refute your earlier claim that since a different term for God is used in chapter 2, that means there is a different author.
How do you account for the same word being used throughout the Genesis account, then? Then does that mean that there is only ONE author?
This hypothesis fails on its own merit.
I have no idea what you're trying to say. I asked, why is God only referred to as YHWH starting with Genesis 2:4.. and you counter that some other word for creation is used throughout Genesis so therefore it all must have been written by the same person? Huh?