The most populous city in the world is Tokyo.
There are 7 oceans on Earth.
The capital of Poland is Warsaw.
Norway is the country with the highest per capita income.
The Sahara is the world's largest desert.
The capital of Brazil is São Paulo.
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.