Oasis

Within the lethal embrace of deserts, life can only flourish because of large springs. Here plants thrive, animals enjoy something to drink, caravans can have a rest and people too can develop their own way of life.

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Factors of warming

The duration of solar radiation, the angle of the Sun and the surface albedo all have an effect...

Folding (advanced)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.

Limestone

It is a sedimentary rock with high calcium carbonate content.

Aeolian landforms in deserts

Wind, as an external force, plays an important role in shaping deserts.

The Earth’s magnetic field

The Earth’s magnetic North and South poles are located near the geographic North and South poles.

Continental drift

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

Minerals

Rocks are a composed of minerals. These minerals can often be found in their pure forms.

Climate zones

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

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