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What secrets does the Moon have? Who were the first men on the Moon? You’ll find out everything...
Tectonic plates can move in relation to each other.
We can come across the remains of the Variscan and Caledonian mountain systems almost anywhere...
Karst formations include dolines and dripstones.
Waterfalls form where the river flows over a steep precipice in its course.
A geyser is a spring characterised by intermittent discharge of water and steam.
Seawater, as an external force, plays an important role in shaping coastlines.
The dissolution of limestone results in the development of karst formations.