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 President of the Republic of Poland (Polish: Prezydent Rzeczypospolitej Polskiej, shorter form: Prezydent RP) is the Polish head of state. His or her rights and obligations are determined in the Constitution of Poland. The president heads the executive branch. In addition the president has a right to dissolve the parliament in certain cases, and represents Poland in the international arena.