What type of rock is pumice? describe how a pumice rock is likely to change over a long period of time.

Ireally need on this homework! if you get it right so much if not its fine < 3 ! (i have no points so sorry its only 10)i didnt mean to put it on social studies sorry!

According to the belmont report, the moral requirement that there be fair outcomes in the selection of research subjects, expresses the principle of: a. beneficence.b. respect for persons.c. justice.

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.