Why was double manna given on the sixth day?

Answer

"See, for that the Lord hath given you the Sabbath, therefore He gives you on the sixth day the bread of
two days; abide you every man in his place, let no man go out of his place on the seventh day!' Verse 29.
 


To whom does the \"seed\" in these promises refer?
What will follow this union with Christ in His death and resurrection?
To whom was this covenant-promise later renewed?
What does God say the Sabbath will be to those who hallow it, or keep it holy?
How long did he continue this work there?
How long will there be poor in the world?
How did Job treat the poor?

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