Which is higher? The mountain or the hill?
The mountain.
What is this?
beach
What is the biggest city in Europe?
Istambul.
What is this?
river
Which is the biggest continent?
Asia.
Which is wider? The river or the stream?
The river.
What is this?
waterfall
What is the biggest island in the world?
Greenland.
What is the widest river?
The Amazon.
What is drier? The field or the desert?
The desert.
What is this?
sea or ocean
What is this?
lake
What is this?
Island.
What is this?
mountain
In which of them water is saltier? In the lake or in the sea?
In the sea.
Which country is the smallest?
Vatican.
What is this?
Desert.
What is the largest country in the world?
Russia.
Which is bigger? Africa or the North America?
Africa.
What is between the mountains?
valley