How early was this sacrificial system known?

Answer

"By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained witness that he
was righteous, God testifying of his gifts." Heb. 11: 4. See Gen. 4: 3-5; 8: 20.

In what one word is the character of God expressed?
In what does God delight?
How was Joseph regarded by his father?
To what time were the prophecies of Daniel, as a whole, to be sealed?
10. What are those to drink who accept the teachings of Babylon, and thus render homage to the beast?
Under what threatened penalty is the worship of the image of the beast enforced?
Who constitute the true Israel, or seed of Abraham?

Questions & Answers are from the book Bible Readings for the Home Circle