A hiatal hernia does not cause many symptoms by itself, but when a sliding hernia occurs, the abnormal location of the gastroesophageal (GE) junction above the diaphragm affects its function and stomach contents can reflux into the esophagus.
-You need to work on sentence structuring. For example, when you wrote, The immigration, as a decision maked by a person is an act that occurs, because of some factors especially in the under developed countries and the most importants causes or reasons are mainly social reasons, politic reasons and economic reasons..
Rating Newest Oldest. Best Answer: Emigration is the act and the phenomenon of leaving one's native country to settle in another country. It is the same as immigration but from the perspective of the country of origin. Immigration is the movement of people from one nation-state to another.While human migration has existed throughout human history, immigration implies long-term permanent residence (and often eventual citizenship) by the immigrants: tourists and short-term visitors are not considered immigrants.mmigration is the movement of people from one nation-state to another. While human migration has existed throughout human history, immigration implies long-term permanent residence (and often eventual citizenship) by the immigrants: tourists and short-term visitors are not considered immigrants.