Yes
none
Yes they are.
Yes they are.
Yes they are.
204.
104 athletes are competing in the Olympics games for Brazil 2012
205 countries are competing in the 2008 summer olympic games
6 continents are competing in the olympic games.
Yes, Russia are competing in the 2012 Summer Olympics in London.
Wikipedia lists Italy as having 284 athletes competing in the 2012 Summer Olympic Games
0. Through the 2008 Games in Beijing, no athlete from Madagascar has won an Olympic medal.
Wikipedia lists Brazil as having 259 athletes competing in the 2012 Summer Olympic Games