Formation of stratovolcanoes

Stratovolcanoes consist of layers of volcanic ash, debris and lava.

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Karst region (intermediate)

Karst formations include dolines and dripstones.

Taiga climate

Among the climate zones with the greatest extremes, the taiga only formed in the Northern...

Glacier (basic)

A glacier is a large body of ice that forms from snow, and is in constant, slow motion.

Continental drift

In the past, a number of geologists tried to explain why the outlines of continents seem to fit...

The Tundra: a green-edged icy wasteland

Is the tundra region as cold and deserted as many people think?

Climate zones

The Earth is divided into geographical and climatic zones, which result in the...

Karstification

The dissolution of limestone results in the development of karst formations.

Solar eclipse and lunar eclipse

We can observe quite interesting astronomical phenomena when the Earth, the Sun and the Moon align.

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