Posner and Sunstein argue that, as an instrument of redistribution, spending on the part of the wealthy nations to combat climate change a) is less effective than a direct cash transfer to poorer nations.

b) diverts money away from aiding the poor in wealthy nations.

c) concentrates too much on the poor of the future rather than the poor of the present.

d) All of the above.

What extraordinary role does learning think we can play in the universe?

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.

How many soultions does the system of equations have y= -6x + 330x + 5y = 15a.one b.twoc.infinity manyd.none