Now do some internet research or browse through books! Find information that will help you decide on the correct answer. 1 The river Nile is longer / shorter than the Amazon. 2 Brazil is larger / smaller than Australia. 3 The Indian Ocean / The Arctic Ocean is the smallest ocean in the world. 4. There are more / fewer people in China than in the USA. 5 The Gobi Desert is larger / smaller than the Sahara Desert. 6 Australia / Europe is the smallest continent in the world.