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