What does PNG mean around the world is it a country or ..?​

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases.protect researchers from disclosing conflicts of interest.prevent subjects from knowing the purpose of a study.protect identifiable research information from compelled disclosure.

Five methods of nomination used today include: select all that apply convention caucus direct primary inheritance promotion petition announcement

What do turbans indicate about the wearer? a.the wearer’s social status the wearer’s social statusb.the wearer’s birthplacethe wearer’s birthplacec.the wearer’s marital statusthe wearer’s marital statusd.the wearer’s religious sect the wearer’s religious sect