What factors do political scientists use to distinguish among national bureaucrats?

The answer is "hired, fired, grounds for firing". 

This imply procedure by with they are hired, methods by which they can be fired, and reason for which they can be fired.

Political science is the orderly investigation of government and politics. Political science is a sociology that makes speculations and examinations about political frameworks and political conduct and uses these outcomes to anticipate future conduct.

no the answer is c only objects touching the earth's surface can be acted upon by an outside force

answer; ///( insanity );