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.

By what means are sins washed away?
What was the result of Christ's working miracles at His first passover?
Who does the apostle say saw Christ after He was risen?
How does the Sunday law of Charles 11, of 1676, read?
What was the result of this message?
While dining with Zaccheus, what did Christ say?
What universal chorus of praise will then be heard?

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