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A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Mercury, Venus, Earth and Mars may have they formed in much the same way, but only the Earth is...
Climate is the typical weather of a certain region that changes practically only on a geological...
Karst formations include dolines and dripstones.
This animation demonstrates different types of volcanic eruptions
Short-lived but extremely powerful tornadoes can cause a great deal of damage.
A geyser is a spring characterised by intermittent discharge of water and steam.
Waves play an important role in forming the coast.