Genesis 4:2-4

2And again, she bore his brother Abel. Now Abel was a keeper of sheep, and Cain a worker of the ground. 3In the course of time Cain brought to the Lord an offering of athe fruit of the ground, 4and Abel also brought of bthe firstborn of his flock and of their fat portions. And the Lord chad regard for Abel and his offering,

Genesis 8:20

God’s Covenant with Noah

20Then Noah built an altar to the Lord and took some of every clean animal and some of every clean bird and offered burnt offerings on the altar.
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