Imagine you are in need of assistance in a crowded subway car. A person nearby who is listening to her iPod will probably:

Which group of islands is called the land of fire and is located at the southern tip of south america

One result of recent migration trends is that the workforce in europe has become

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.