How many of these statements describe the european union (eu)?

there are no tariffs between member nations.
the eu has twenty members.
the dollar is the common currency of the eu. member nations give up some sovereignty to belong to the eu.
eu members speak the same language.
citizens traveling between eu nations do not need to present their passports at the border.
citizens of eu nations can live, work, or study in any member nation.

What statement shows that the agreement between the fictional nations of ziberia and deerkey is a free trade agreement?

Sociologists found that the effects of institutionalization on infants, i.e. lack of a caring environment, will result in slower development of their mental, physical, and emotional skills. true or false? ?

Francine, a college freshman, has agreed to participate in a psychology research study. before she begins her participation, she reads a statement written by the researcher explaining the purpose of the research and the potential risks of participation. it also explains that francine is free to withdraw from the research at any time. in providing francine with this statement, the researcher has followed the ethical guidelines of for participants.