Altitudinal zonation

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

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How lakes disappear

On a geological time scale lakes are short-lived.

Greenhouse effect

Human activity increases the greenhouse effect and leads to global warming.

Weather and climate

Climate is the typical weather of a certain region that changes practically only on a...

Plate tectonics

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


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

The development of lakes

Standing bodies of water can form in depressions on the surface by both endogenic and...

Abrasion coasts

The destructive force of waves can create steep cliffs in certain coastal areas. Let’s...

Weather fronts

When masses of cold and warm air meet, weather fronts develop.

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