There are 7 oceans on Earth.
Russia is the largest country in the world.
Norway is the country with the highest per capita income.
The Amazon is the longest river in the world.
The Sahara is the world's largest desert.
Earth has 6 continents.
The capital of Canada is Vancouver.
The capital of Poland is Warsaw.
The capital of Brazil is São Paulo.
The most populous city in the world is Tokyo.