Karst region (basic)

Karst formations include dolines and dripstones.

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Altitudinal zonation

In mountainous areas the climate, soil properties, the flora and fauna change...

Snow line

Above a certain altitude snow does not melt, not even in summer.

Cloud formation, types of clouds

Evaporating surface water forms clouds of various shapes from which water falls back...

Glaciation

The last Ice Age ended about 13 thousand years ago.

Waves

Waves play an important role in forming the coast.

The water cycle (intermediate)

Water on Earth is in a continuous state of change. The water cycle includes processes...

Loess

It is a sedimentary rock made up of loosely structured, rough grains of rock.

Volcanic activity

The area surrounding an inactive or extinct volcano is not necessarily calm. Let’s see the...

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