The Sahara is the world's largest desert.

Russia is the largest country in the world.

The Amazon is the longest river in the world.

The capital of Brazil is São Paulo.

The capital of Poland is Warsaw.

Norway is the country with the highest per capita income.

The capital of Canada is Vancouver.

There are 7 oceans on Earth.

Earth has 6 continents.

The most populous city in the world is Tokyo.