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Atmospherical nitrogen is bound by bacteria and used by living organisms in the form of...
Waterfalls form where the river flows over a steep precipice in its course.
Among the climate zones with the greatest extremes, the taiga only formed in the Northern...
Földünk felszínének egyhetedét elfoglaló sivatagok kialakulása, éghajlata, felszínformálása.
A geyser is a spring characterised by intermittent discharge of water and steam.
Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.
Seawater, as an external force, plays an important role in shaping coastlines.
On a geological time scale lakes are short-lived.