Why might tensions exist between the national and state governments

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true.b) some other scientific experts read the papers and provide quality control by eliminating many mistakes.c) an editor reads the papers, to make sure that all the semicolons are in the correct places.d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog.e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.

Which of the following are characteristics of soft money? i. donations from individuals and interest group pacs ii. unregulated by the federal election commission iii. goes directly to a political candidate iv. can be used for advertising or other campaign expenses a. i, ii, iii, and iv b. i and ii only c. i, iii, and iv only d. ii, iii, and iv only\

Which area of economics uses value judgments to make recommendations for future actions?