Which of the following statements best summarizes why people learned how to make clothes and build shelters after migrating out by of America a. They needed to trade cloth with other merchants.
b. they needed more protection to survive in colder areas
c. they needed less protection to survive in warmer areas.
d. they needed to trade living spaces with others.

When were the exodus of farm workers during the depression

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 is the role of communication within groups of people with different backgrounds?