Ihave points
1. over time, scientists have changed their model of our solar system. it has transitioned from
a)
a sun-centered to an moon-centered model.
b)
a sun-centered to an earth-centered model.
c)
an earth-centered to a sun-centered model.
d)
a moon-centered to an earth-centered model.
2. many years ago, people believed that the earth was the center of the solar system because from earth, it looks as if the stars and the sun
a)
rotate around the earth.
b)
are controlled by the earth.
c)
are much smaller than the earth.
d)
move more quickly than the earth.

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.

In writing about her findings in a brazilian shantytown, nancy scheper-hughes’s account of alto do cruzeiro provides a window into the terrible toll of nonconsensual organ harvesting among the poor, as well as how she herself changed over time. how might an anthropologist justify the publication of this ethnographic research when considering the problem of ethnographic authority? a. all of the poor must be given an equal voice, thus polyvocality is justification. b. anthropologists are themselves changed in fieldwork, and so honest reflexivity is justification. c. the horrific conditions made it impossible to ignore, and since she obtained informed consent, this is justification. d. authoritative writing asks us to consider what right we have to report, thus a moral challenge is justification.

Voters commonly condemn politicians for being insincere, but politicians often must disguise their true feelings when they make public statements. if they expressed their honest views—about, say, their party's policies—then achieving politically necessary compromises would be much more difficult. clearly, the very insincerity that people decry shows that our government is functioning well. which of the following, if true, most seriously undermines this reasoning? (a) achieving political compromises is not all that is necessary for the proper functioning of a government. (b) some political compromises are not in the best long-term interest of the government. (c) voters often judge politicians by criteria other than the sincerity with which they express their views. (d) a political party's policies could turn out to be detrimental to the functioning of a government. (e) some of the public statements made by politicians about their party's policies could in fact be sincere.