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.

Through what are they to -be sanctified?
In His first recorded discourse, what did Christ say of the law?
Who alone knows the exact day of Christ's coming?
What was first seen on the opening of the sixth seal ?
With what announcement does the sixth trumpet close?
6. Looking forward to the conflicts through which His followers must pass, what cheering message did Christ send them through the Apostle John?
What above all else shows God's willingness to do this?

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