30 points urgent
from which region of africa did african american's originate?

select one:
a. sub-saharan
b. none of the above
c. south africa
d. the nile region

length of the cultivating season was not a problem of new england agriculture

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b