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A glacier is a large body of ice in constant, slow motion down a hillside.
Karst formations include dolines and dripstones.
Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
A fjord is a long, narrow inlet with steep sides, created in a valley carved by glacial...
A Kelet-Afrikai Nagy Hasadékvölgy a kőzetlemezek mozgásának következményeként jött létre.
Az Andok két kőzetlemez – egy óceáni és egy szárazföldi – ütközésénél jött létre.
People have always preferred to settle near rivers. What are the advantages and disadvantages of...
We can often observe spectacular atmospheric phenomena. Let's see how some of these are formed.