Why was the kingdom of ghana called "land of gold"?

a. the kingdom of ghana called "land of gold," because they were the first people to find gold

b. the kingdom of ghana called "land of gold," because they were the first people to trade gold

c. the kingdom of ghana called "land of gold," because it had a lot of gold as a natural resource.

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.

Aresearcher is studying women recently admitted to a state prison. all potential subjects must have children under the age of five. research subjects will be given a basket of toys to use at their children’s first visit that the children can then take home. in assessing this proposal, the irb needs to determine that the toys are: age appropriate. not an excessive incentive. educational. of high quality.

Moderate climates are located in regions. a. coastal b. interior c. mountain d. polar select the best answer from the choices provided a b c d