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 must be crucified and eliminated from our lives if we would be holy?
In what other statement is this same truth expressed?
What did some of the people do on the seventh day?
5. What will be the dragon's attitude toward the remnant people who keep the commandments of God?
What does the Psalmist say about the dead praising God?
12. When Daniel and his fellows were about to be slain because the wise men of Babylon could not reveal to Nebuchadnezzar his dream, how did God answer their united prayers?
To what Old Testament promise did Peter evidently refer?

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