Which best describes an opportunity cost?

accepting an opportunity to do something else when making an economic decision
giving up an opportunity to do something else when making an economic decision
accepting an opportunity to accomplish something else when making an economic decision
giving up an opportunity to increase prices when making an economic decision

One of the results of the 2010 golf of mexico oil spill is the threat to various species in the goths ecosystem it disturbed and in some cases forever altered the of the gulf coast

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. one of the subjects is in an automobile accident two weeks after participating in the research study. is this an example of an unanticipated problem that requires reporting to the irb? yes, this must be reported because it was not listed as a risk of study participation in the consent form (was unexpected) and the subject experienced harm.yes, this must be reported because it involved a subject in a research study and it’s up to the irb to determine if it was related to participation.no, this does not need to be reported because it was assessed by the researcher as unrelated to the research study.no, this does not need to be reported to the irb since the researcher reported it to the sponsor of the study.

The patriot act made it easier for law enforcement agencies to conduct surveillance under certain circumstances true or false