According to one survey, approximately % of men believe that a child sometimes needs a "good hard spanking."

c. taught scientists many new things about the earth, but not other planets.

explanation:

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.