Oxygen cycle

The oxygen cycle describes the movement of oxygen within its three main reservoirs.

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Faulting (intermediate)

Vertical forces can break up layers of rock into fault blocks, which then move vertically along...

Nitrogen cycle

Atmospherical nitrogen is bound by bacteria and used by living organisms in the form of various...

Karstification

The dissolution of limestone results in the development of karst formations.

The path of bauxite

Bauxite is a raw material in aluminium production. Watch this video to learn how the well-known...

Hotspots

Hotspots are areas of the Earth´s crust where magma often rises to the surface and causes...

Topography of the Earth

The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.

Folding (basic)

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

How lakes disappear

On a geological time scale lakes are short-lived.

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