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.

For what were the Bereans commended?
What followed immediately after the gaoler and his family had accepted Christ as their Saviour?
Did God's chosen people receive Christ when He came?
What will he the reward of those who honor their parents?
What beautiful picture of home life is drawn by the Psalmist for the father who fears the Lord?
How many are concerned in the judgment?
What is Christ's message to the last church?

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