There are 7 oceans on Earth.

Earth has 6 continents.

The Sahara is the world's largest desert.

The capital of Poland is Warsaw.

Norway is the country with the highest per capita income.

The most populous city in the world is Tokyo.

Russia is the largest country in the world.

The capital of Canada is Vancouver.

The capital of Brazil is São Paulo.

The Amazon is the longest river in the world.