When lisa was pregnant, she and her husband, joe, attended a series of eight classes that provided them with information about the physiology of childbirth and instructed them in breathing exercises. this describes: ?

Whether or not a given study has the possibility of causing harm to participants:

How does the principle of federalism affect the u.s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d.it divides the federal and state governments into three branches

Which are components pf a political party? why do we need political parties give reason.