Why is it important for the powers to be separated and for one person not to have all of the power to make decisions?

Select the word from the list that best fits the definition sun-dried mud bricks used to build homes in the desert southwest

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting

Why did the athenians choose officials by lottery? would there be drawbacks to this method? explain.