How lakes disappear

On a geological time scale lakes are short-lived.

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The formation of fog

Fog is a type of cloud that forms close to the surface of the Earth. There are places on the...

Weather fronts

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

Factors of warming

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The formation of the Andes

Az Andok két kőzetlemez – egy óceáni és egy szárazföldi – ütközésénél jött létre.

Polluting natural waters

Water is one of our key natural resources; we must protect it vigorously.

Layers of the ocean

Physical properties, as well as the flora and fauna of the ocean change with depth.

Africa – The Climatic Anatomy of a Continent

Az afrikai kontinens vízszintes és függőleges éghajlati övezeteinek bemutatása.

THE PERMAFROST

A tartósan fagyott altalaj határa – a globális felmelegedés hatására – egyre jobban húzodik vissza.

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