Which is the largest country in the world?
Name the largest flower in the world.
Which is the largest animal on earth?
Name the world's largest ocean.
Name the largest river in the world.
What is the name of the longest river in the world?
Which is the world's largest continent?
1. Russia 2. Rafflesia arnoldii 3. Blue Whale 4. Pacific Ocean 5. Amazon 6. Nile 7. Asia