Read Genesis 1, you retard. It mentions "God". Genesis 2 mentions the Lord God. Learn what the difference is and redo your memes.
Genesis 1 says we are to have a vegetarian diet and eat the fruit of the seed bearing tree. Cain's offering is consistent with this and Abel's is not. Reconcile.
Also, there were people from Genesis 1, so the Adamu was not the first.