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 place was Christ taken?
How was the opening of the judgment to be made known to the world?
Why are we admonished to fear God and keep His commandments?
What does Malachi say of those that fear the Lord?
How is their watch-care over God's people expressed?
4. What, according to the prophecy of Daniel, was to befall the people of God down through the ages?
After accepting Christ, what are we to do?

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