The capital of Poland is Warsaw.

Earth has 6 continents.

The Amazon is the longest river in the world.

The capital of Brazil is São Paulo.

The capital of Canada is Vancouver.

Russia is the largest country in the world.

The most populous city in the world is Tokyo.

There are 7 oceans on Earth.

The Sahara is the world's largest desert.

Norway is the country with the highest per capita income.