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