Item 6 6

Why did an African slave trade develop in the southern colonies of North America?

A new enslaved labor force was needed on plantations when the fur trade became big business.

A new enslaved labor force was needed on plantations when indentured servants refused to keep working on them.

A new enslaved labor force was needed on plantations when European diseases killed large numbers of indigenous people.

A new enslaved labor force was needed on plantations when the original cash crops failed.

What river valley civilization in the plow

Describe how gravity and convection work together to move the plates in the plate tectonics theory

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.