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.

How is the love of God supplied to the believer?
What divine purpose was wrought out in the sufferings of Christ?
1. What statement did Nebuchadnezzar, king of Babylon, make to his wise men whom he had assembled?
What is said of the fourth kingdom?
What interpretation is given to this little horn?
How comprehensive are these commandments?
How perfect will be their knowledge of God?

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