Which of the following statements best describes diversity in sub-saharan africa?
a.
sub-saharan africa is not diverse, as most people belong to the same few ethnic groups and speak one of only a few languages.
b.
sub-saharan africa has a wide diversity of ethnic groups, but most people speak one of a few languages.
c.
sub-saharan africa has a wide diversity of languages, but most people belong to only one of a few ethnic groups.
d.
sub-saharan africa is extremely diverse, as its people belong to hundreds of different ethnic groups and speak more than 100 languages.

Astudy that involves interviews of adults is eligible for expedited review. the researcher wants to add an adolescent population (aged 12 to 17) to the study and has designed a parental permission and assent process. no additional changes are planned. which of the following statements about review of the revised protocol is accurate? the research would only be eligible for expedited review if the adolescents are capable of understanding the same consent forms used for the adult population. the research would only be eligible for expedited review if the adolescents have been declared to be emancipated minors. the new research would need full review by a convened irb because children are a protected population. unless the nature of the questions would raise the level of risk to > minimal for adolescents, the research would still qualify for expedited review.

What does it mean when a government decides to do something?

Atoy manufacturing company currently produces 100 toys each day. the workers at that company earn $15 per hour. however, the government establishes a minimum wage of $24 per hour. the company cannot afford to keep all its workers, so it lays off some employees. how many people lose their jobs? a. 14 b. 18 c. 23 d. 41