What is this?
mountain
What is this?
waterfall
What is this?
river
What is this?
beach
What is between the mountains?
valley
What is this?
lake
What is this?
sea or ocean
Where is water saltier: in a lake or in the sea?
In the sea
Which is higher? The mountain or the hill?
The mountain
Which is wider? The river or the stream?
The river
What is this?
Desert
What is drier? The field or the desert?
The desert
What is this?
Island
What is the largest country in the world?
Russia
What is the widest river?
The Amazon
Which is the biggest continent?
Asia
