Natural gas and petroleum

Natural gas and petroleum are among the most important sources of energy and raw materials today.

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Continental drift

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

Weather fronts

When masses of cold and warm air meet, weather fronts develop.

Join the caravan!

This lesson presents deserts and their flora and fauna.

The Jovian planets

The four outer planets (Jupiter, Saturn, Neptune and Uranus) do not have solid surfaces, thus...

Factors of warming

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

Living fossils

Learn about animal species that emerged in the distant past and stayed mostly unchanged

The Formation of the Atacama

Az Atacama Földünk legszárazabb és legmagasabban fekvő sivatagai közé tartozik.


Tsunami bølger er meget høje bølger med enorme ødelæggende kræfter.

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