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