Short-lived but extremely powerful tornadoes can cause a great deal of damage.

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The formation of the Andes

The Andes were formed by the collision of two tectonic plates, one oceanic and one continental.

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The El Niño phenomenon has a great effect on the Earth's climate.


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The weather forecast

The weather can be forecast with different meteorological instruments.

The Tundra: a green-edged icy wasteland

Is the tundra region as cold and deserted as many people think?

Terms of physical geography

This animation demonstrates the most important relief features, surface waters and their...

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Karst formations include dolines and dripstones.


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

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