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.

Read the list of selections from the article. trump still seeks a border wall and said he might shut down the government again over it. a strong majority of americans blamed him for the standoff. and they rejected his arguments for a border wall, recent polls show. it is not clear how trump would fund the wall by declaring a national emergency. minutes later, senators voted 52-44 for a democratic plan to open agencies through february 8 with no wall money. that was eight votes short. yet it got more support than trump's republican plan, even though republicans control the senate 53-47. which two selections, taken together, provide the best evidence to support the idea that most people do not support funding a border wall? a 1 and 3 b 1 and 4 c 2 and 3 d 2 and 4

Which best describes why it is necessary to evaluate a solution?

Suppose you are a freshmen in college and you have not declared a major. one reason you enrolled at your respective college was the school's vibrant social life. at the same time, you want to balance your academic life because you know that your grades will matter for graduate school or job applications. you decide to forgo partying for two hours to study for an upcoming economics exam. in your first semester's principles of economics class, you learn that the enjoyment you would have received from partying is an example of a(n)