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This animation demonstrates different types of soil.
Groundwater and aquifers are types of underground waters.
Developed nearly 500 years ago, it is a variant of the Julian calendar. Today it is the most...
Above a certain altitude snow does not melt, not even in summer.
The decisive factor that determines the climate zones of mountains is the altitude above sea level.
People have always preferred to settle near rivers. What are the advantages and disadvantages of...
Evaporating surface water forms clouds of various shapes from which water falls back to the...
A glacier is a large body of ice in constant, slow motion down a hillside.