Which of the following BEST defines a Political Action Committee (PAC)?

Chris would like to conduct a study on the effectiveness of a new substance-abuse treatment program. he has a sample of participants go through the program and he uses as a comparison group people who did not volunteer for the program but were eligible. chris has used a(n) design for his study.

Karl marx spent much of his life attempting to describe and understand how capitalism works. in one particularly vivid passage, he described in this way the turbulence he saw as inherent in capitalism: “all that is solid melts into air, all that is holy is profaned, and man is at last compelled to face with sober senses his real condition of life and his relations with his kind.” what sort of relationships did he think his readers had with other people? a. relationships based on social bonds and solidarity b. cultural relationships c. economic relationships d. relationships of community and religion

Where do most people in arabia and iraq live? a. in the fertile crescent b. in the rub, al-khali c. in cities d. in and around mecca