Irons
the know-nothings organized to form the:
a. american party.
o
b. republican party.
o
o
c. whig party.
d. democratic party.
submit

name two ways organisms join a population and two ways organisms leave a population. two ways organisms join a population are birth rate and immigration. two ways they leave are death rate and emigration.

explanation:

your answer will be b. improving roads, bridges, and other infrastructure. hope i !

this is not a question its simply asking you to read and write a few sentences and   the question on the bottom its fairly easy, you can do this!

these civilizations were located around fertile rivers, where they could produce an abundance of crops