** me this is due soon! **

in the early part of the industrial revolution, power was provided by

a. steam

b. flowing water

c. people

d. horses

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.

answer; all of the answers are correct;