Answer:None of them have lived
Explanation:
They don’t use to help each one to save they do to show.
Answer:
operational definition
Explanation:
Operational Definition: This is a term used to describe the course of action of the research variables and the study. In this experiment, laugh can be defined operationally as a smile with a sound. Because of this operational definition, the psychologists can replicate the research or the experiment. The operational definition, when used to collect data, consists of a clear, and detailed definition of a measure.
Answer:
The nations of the Euro Zone have A. abandoned their national currencies and switched to a common currency.
Explanation:
The <u>Euro Zone</u>, or <u>Euro Area</u>, is a monetary union of 19 of the 28 European Union (EU) member states who abandoned their national currencies, such as the French franc, the Irish pound, the Italian lira or the Spanish peseta, and adopted the euro (€) as their common currency in 1999.