What will constitute the second plague?

Answer

"And the second angel poured out his vial upon the sea; and it became as the blood of a dead man: and
every living soul died in the sea." Verse 3.

Is mere assent to divine truth sufficient?
What will sound doctrine enable the faithful teacher to do?
After receiving a knowledge of the truth, what must one do in order to be sanctified by it?
Who was this promised seed?
For whom did Christ suffer all these things?
By what means did the Jews know God's will?
What was Christ's custom respecting the Sabbath?

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