Karst region (basic)

Karst formations include dolines and dripstones.

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Folding (intermediate)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.

Snow line

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

Underground waters

Groundwater and aquifers are types of underground waters.

The phosphorus cycle

The phosphorus cycle describes the movement of phosphorus through the lithosphere,...

Minerals

Rocks are a composed of minerals. These minerals can often be found in their pure forms.

Plate tectonics

Plate tectonics is a theory dealing with the movement of plates.

Aeolian landforms on coasts and steppes

Wind, as an external force, plays an important role in shaping coastal areas and steppes.

The Jovian planets

The four outer planets (Jupiter, Saturn, Neptune and Uranus) do not have solid surfaces, thus...

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