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.

To what extent has God magnified His Word?
By what means is this healing accomplished?
Whose destruction was made certain by the death of Christ ?
What does Christ say about our duty to the state?
Whom does Paul say the saints are to judge?
What did Job say in the midst of his afflictions?
How readily will their wants be supplied?

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