The difference between an Angiosperm and a Gymnosperm is that Angiosperms are flowering plants while Gymnosperms are not. A. include plants that use flowers to reproduce.
He had several million executed or worked to death in Russia as well. Some estimates will reach over 60 million, but Stalin is actually only a direct cause of 15-20 million deaths. The 5 million difference is from varying estimates due to how many people there were and the secrecy of the USSR.
Auschwitz, of course! Approximately 1.15 million people died there, about 85% of them Jews. The Auschwitz Concentration Camp was the largest but... The three most vicious of these camps were (in order): Treblinka (Poland), Belzec (Poland) & Auschwitz-Birkenau (Poland). These rankings are determined by the approximate average number of murders per day of camp operation.