The zhou dynasty adopted a philosophy known as the mandate of heaven. this concept allowed for the people of china to
a)form armies to conquer asian lands.
b)create local governments in villages.
c)own land once owned by nobility.
d)remove an incompetent ruler from power.

answer; the population in brazil is very diverse there are many races and ethnic groups

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.