Through Christ, what has been opened to the house of David?

Answer

"In that day there shall be a fountain opened to the house of David and to the inhabitants of Jerusalem for
sin and for uncleanness." Zech. 13: 1.

Upon what condition may one expect answers to prayer?
Of what is Christian baptism an evidence?
By what may we know that we have passed from death unto life?
5. Does the second, third, fifth, sixth, seventh, eighth, ninth, or tenth commandment indicate the author of the Decalogue?
What was to he inflicted upon one of the heads of this beast?
What petition was made to the emperor by a church convention of bishops in AD 401?
How extensive will be the reign of Christ?

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