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