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.

What is the result of godly sorrow?
By what is the Medo-Persian Empire represented in the great image?
What else does the prophecy say the little horn would do?
17. What similar language is used by the Apostle Paul in describing the \"mystery of iniquity,\" or \"man of sin\"?
What is Spiritualism defined to be?
Why, then, does God permit the chastening rod to fall?
What is God called in the Scriptures?

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