In what ways were the great civilizations of mexico, central america, and south american different

Give reason why some traditional caribbean customs are presently changing

Which of the following statements most accurately describes the requirement for the documentation of minors’ assent to participate in research? parents must approve written documentation.documentation is required unless waived by an irb.to protect minors documentation is always required.federal regulations do not require the documentation of minors’ assent.

If both the president and the vice president can no longer serve, who will become the next head of state?