Hellow guys, Welcome to my website, and you are watching ПЕРИОД ПОЛУРАСПАДА изотопа АТОМНОЕ ЧИСЛО моль #физика. and this vIdeo is uploaded by физика ОГЭ математика ЕГЭ - Романов Владимир at 2020-05-18T00:51:33-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
