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Soil is the loose, uppermost, fertile layer of the Earth’s crust.
Stratovolcanoes consist of layers of volcanic ash, debris and lava.
Az El Niño jelensége szinte az egész Föld éghajlatára hatással van.
The difference between the temperature of the polar and equatorial zones causes...
The ozone layer filters the Sun´s harmful UV radiation, therefore it is indispensable for...
Developed nearly 500 years ago, it is a variant of the Julian calendar. Today it is the most...
It is a sedimentary rock made up of loosely structured, rough grains of rock.
Rocks are a composed of minerals. These minerals can often be found in their pure forms.