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 was foretold of His treatment while on the cross?
At the end of this time, what was to be done to Messiah?
How was the overthrow of ancient Babylon foretold?
What are the wages of sin?
Did Christ have anything to do with creation and the making of the Sabbath?
How long did he continue this work there?
What divine law of retroaction attends giving?

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