Altitudinal zonation

In mountainous areas the climate, soil properties, the flora and fauna change depending on elevation.

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From the Sahara to Amazonia

A szaharai porral érkező tápanyagok nélkülözhetetlenek az Amazonas növényvilága számára.

El Niño

A periodic climate pattern that occurs across the tropical Pacific Ocean every five years.

Watercourses

People have always preferred to settle near rivers. What are the advantages and disadvantages of...

Underground waters

Groundwater and aquifers are types of underground waters.

Living fossils

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

The water cycle (intermediate)

Water on Earth is in a continuous state of change. The water cycle includes processes...

The Pompeii before time

There is a little village in Northern Hungary in Central Europe that is a hiding place for a...

Ocean currents

The Great ocean conveyor is a planet-wide system of ocean currents, which has a great...

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