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 was the earth itself affected by Adam's sin ?
For whom has a book of remembrance been written?
What was the character of- their deeds?
Did Christ keep the Sabbath?
When we see all these things, what are we to know?
What was shown upon the opening of the first seal?
How may grace and peace be multiplied in believers?

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