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.

Can man free himself from the dominion of sin?
What instruction did the Apostle Peter give concerning the Gentiles who had believed?
For whom did Christ suffer all these things?
1. Immediately after the vision of Daniel 8, what did Daniel learn from his study of the prophecy of Jeremiah?
When Christ came to this earth, what was His attitude toward God's will, or law?
What besides creation were Israel to remember when they kept the Sabbath?
When are the saints to be like Jesus?

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