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Cyclones are large areas of circulating air with clouds and precipitation being formed in its...
Seawater, as an external force, plays an important role in shaping coastlines.
The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.
The dissolution of limestone results in the development of karst formations.
This video presents the different stages of coal formation.
Rocks are a composed of minerals. These minerals can often be found in their pure forms.
The rise and drop of sea levels caused by the gravitational force of the Moon.
A glacier is a large body of ice in constant, slow motion down a hillside.