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Karst formations include dolines and dripstones.
This animation demonstrates the most important relief features, surface waters and their...
The ozone layer filters the Sun´s harmful UV radiation, therefore it is indispensable for life...
The last Ice Age ended about 13 thousand years ago.
Tectonic plates can move in relation to each other.
One third of the continents is covered with desert. Today, desertification is a growing problem.
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Hotspots are areas of the Earth´s crust where magma often rises to the surface and causes...