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.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period.the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided.a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs.an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.

About 300 billion dollars in taxes is lost in the united states alone due to an underground economy, which involves paying individuals cash rather than having them on the official payroll. a. true b. false

The jobs of an executive director include heading operations, managing the budget, and securing more a) funding b) frontline workers c) resources d) programs