When did Sin and death enter the world?

Answer

"Wherefore, as by one man [Adam] sin entered into the world, and death by sin; and so death passed upon
all men, for that all have sinned." Verse 12.
 


By what is this cleansing from sin and fitting for God's service accomplished?
How many were saved in the ark?
Could such a help be found among the creatures which God had already made?
What instruction is given in the New Testament regarding marriage with unbelievers?
How is the remnant church described?
When and by whom was the Council of Nice convened?
6. In His reply, how did Christ indicate that neither the end of the world nor of the Jewish nation was immediately at hand ?

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