no
The athletes from Greece in honor of where the Olympics began.
The athletes from Greece enter first and the athletes from the host nation (in 2010 that is Canada) enter last. In between, the athletes enter in alphabetical order of the country name as known in the host nation's language (in 2010 that is English). At the 2014 Winter Olympics in Sochi, Greece will enter first, Russia will enter last, and in between the countries will enter in alphabetical order in the Russian language.
you have to be 15 or older to play basketball in the olympics
First international championship was in the 1920 Summer Olympics, from then it was played in Winter Olympics (1924,1928...)
There is no order at the closing ceremony. The flag bearers and country name board bearers enter first in single file. Then the athletes enter, en masse, without distinction of country.
According to Olympic tradition, the athletes from Greece are the first to enter the stadium and the athletes from the host country are the last to enter the stadium.
Yes, Australia enters the Olympics (winter and summer) and is considered a powerhouse in swimming events in particular.
In the Summer Olympics, athletes can compete in multiple track and field events, but they must qualify for each event separately. There is no strict limit on the number of events an athlete can enter; however, most athletes typically compete in 1 to 3 events to manage their performance and recovery. This varies by athlete and their specialization.
Jamaica first participated in the Summer Olympics at the 1948 Games in London and in the Winter Olympics at the 1988 Games in Calgary.
In the opening ceremony, the athletes from the host country enter last. In the closing ceremony, the athletes enter en masse and there is no structure as to what country's athletes enter last.
That was 204 countries at the 2008 Summer Olympics in Beijing.