Read the excerpt from The Land. Of my brothers, I was closest with Robert. I suppose, in part, being the same year's children made us close, but there were other things too. We had been together practically since birth, and we always took care of each other. When I got into trouble, Robert was there to pull me out of it if he could, or at least to see me through it, and I did the same for him. The passage provides evidence of why Paul and Robert have physical conflicts. Paul and Robert avoid social conflicts. Paul is the least influenced by Robert. Paul is motivated to ask Robert for help.

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.