Which dynasty was the first to unify China?
a. Qin.
b. Zhou.
c. Shang.
d. Wang Mang.
e. Han.
Question 2
Scribes with special mathematical skills were useful to the Maya in all of the following ways EXCEPT in
a. predicting eclipses.
b. determining the best days to start a war.
c. establishing the value of a monetary coin system.
d. tracking important stars and planets.
e. calculating calendars.