What do tree remains suggest about the past climate of the sahara? a. early residents of the sahara built houses out of wood. b. water once flowed in the sahara. c. fruit from trees was once a major crop of the sahara.

Another restaurant manager says to you, “i’ve heard that barcelona has a three-step hiring process. candidates first have an interview in which scott does most of the talking, and then they visit barcelona restaurants and record their impressions. this seems like a lot of work. what is a purpose of both these steps? ” what would you tell the manager?

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

When individuals with a stake in an issue affecting them begin to propose and develop solutions to a problem, they engage in