There are three primary ways that naturally occurring radioactive isotopes decay: 1  Alpha particle emission. 2  Beta particle emission. 3  Gamma radiation emission.
President condemns Ankara attacks. The current migration crisis is a problem of the entire EU and not of a particular country, Polish President Andrzej Duda said after the end of the Visegrad Group two-day summit in Balatonfuered, Hungary, on Friday.
The first president of Poland, Gabriel Narutowicz, was sworn in as president of the Second Republic on 11 December 1922. He was elected by the National Assembly (the Sejm and the Senate) under the terms of the 1921 Constitution of Poland.