Are often considered extremely reliable, usually contain a lot of detailed information, often have bibliographies or source notes, and can contain quotable passages for emotional appeals.

Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?

In exchange for land, a knight agrees to be a sort of sub-vassal to a vassal. this agreement was known as: investiture homage tyranny subinfeudation

Supreme court. jim, who is a bit eccentric, says that he is fed up with the way a certain employer in his town treats employees and that he is going to sue that employer in an effort to improve matters. jim also says that he is going to start his case at the appellate court level, skipping over all those "lesser" judges. jim says that those justices will surely hear him out and that he will also seek a jury. although he is not a lawyer, jim believes that the offenses of the employer are so severe that the justices will appreciate his attempt to make things better for the employees involved. will jim get a jury at the appellate court level?