Levitt and dubner support the claim with the reason: sumo wrestlers who win eight or more matches earn a higher rank than those who do not. which evidence supports this reason

What would a student most likely use if he or she wanted to consult a secondary source

Tanya was used to using word, and she did some work for her brother mike, who was using wordperfect. tanya was quickly able to use wordperfect for windows with little difficulty, since many of the commands for it were the same as the commands for word. tanya's ability to use wordperfect best illustrates:

What are the most populous and least populous areas of russia? and why are some areas more heavily populated than others?