Cannon and washburn's classic experiment on hunger revealed that when subjects reported: thirst, their stomach muscles were relaxing. satiation, their stomachs were contracting. hunger, their stomachs were contracting. thirst, their stomachs were empty.

answer; i believe that the correct answer is (d); // supercontinent

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.