Why do humans so often divide themselves into “we” and “they”? When does it become a problem? What historical examples from this chapter help you answer this question? What examples from the world today help you answer it?

You're doing research for a public essay on alternative medicine. which of the following sources has the most reliable information? a.a post on a social networking site about the undesired side-effects of different alternative medicinesb.a recent government report comparing the results of alternative and contemporary medicine for a specified diseasec.an anonymous article on a medical website that claims the success of alternative medicined.a 2003 study conducted by a medical research center about the effects of alternative medicine

1. describe at least 3 similarities or differences between homo habilis and australopithecus 2. describe at least 3 similarities or differences between cro-magnon and neanderthals.

Many single parents report complex feelings, such as frustration, failure, and guilt. this often leads them to behave in a(n) toward their children.