To whom does the "seed" in these promises refer?

Answer

"Now to Abraham and his seed were the promises made. He saith not, And to seeds, as of many; but as of
one, And to thy seed, which is Christ." Gal. 3: 16.

How did Christ make it clear to them that the Scriptures testify of Him?
Why must justifying faith lay hold upon both the death and the resurrection of Christ?
How is the law further described?
On which day was a double portion of manna gathered?
What power mentioned in the thirteenth chapter of Revelation is to enforce this mark?
What scene in heaven was presented to the prophet as the seventh trumpet was about to sound?
For what purpose was the earth created?

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