Which of the following is true? select one: a. social stratification depends upon but is not the same as social differentiation. b. social stratification is analogous to social differentiation. c. social differentiation depends upon but is not the same as social stratification. d. there is no relationship whatever between social stratification and social differentiation.

An externality can be created by a. people working at a production job and enjoying their work b. a production activity but not a consumption activity c. a consumption activity but not a production activity d. a production activity or a consumption activity externalities a. are always positive, and an example is flu vaccinations b. are always negative, and an example is the pollution created by trucks c. can be negative or positive. logging has a negative externality, and education has a positive externality d. can be negative or positive. a negative externality is having to go to school when you would rather go to the beach, and a positive externality is spending time with your friends

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases.protect researchers from disclosing conflicts of interest.prevent subjects from knowing the purpose of a study.protect identifiable research information from compelled disclosure.

What city was divided between communism and democracy/capitalism after world war 2