Diarrhea is the biggest kill in the developing world.
Pneumonia
Pneumonia
Germany and Italy are the biggest countries in the EU.
Pneumonia is the biggest probelm associated with poor ventilation.
Asia is the biggest so lots of countries are there
Africa, with 55 countries.
There are many countries all large but probably China, Russia and America are the biggest Countries Competing in the Olympics
Russia is a country, there are no other countries in Russia.
The countries that are located on the earth :-)
RussiaCanadaChinaUSABrazilAustraliaIndiaArgentinaKazakhstanSudan.
China
they are 80th