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 warning is therefore given?
In what language is this clearly stated?
How does the Sunday law of Charles 11, of 1676, read?
What false idea of this gathering were some to hold?
Of what family does Paul speak in Ephesians?
In his dream at Bethel, what did Jacob see?
How great reward has God promised those that love Him?

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