Karst region (intermediate)

Karst formations include dolines and dripstones.

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Eroded fault-block mountains

We can come across the remains of the Variscan and Caledonian mountain systems almost anywhere...

Climate zones

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

The Tundra: a green-edged icy wasteland

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

Icebergs

Icebergs are small or large blocks of frozen freshwater floating in the sea.

The subtropics

The subtropics are located between the tropical and temperate zones, between 23.5° and 40°...

Glacier (intermediate)

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

Warm front, cold front

Cold and warm fronts are formed where bodies of cold and warm air meet.

Underground waters

Groundwater and aquifers are types of underground waters.

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