The largest planet in the Solar system is Jupiter.
The heaviest animal in the world is the blue whale.
The tallest animal in the world is the giraffe.
The longest river in Europe is the Volga, and in the world is the Nile.
The highest mountain in Europe is Mount Elbrus (in the Caucasus) and in the world is Mount Everest (in Himalayas).
The animal with the longest life is the giant tortoise.
The country with the largest population in the world in China.