Weather fronts

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

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Faulting (intermediate)

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Sedimentary rock

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Polluting natural waters

Water is one of our key natural resources; we must protect it vigorously.

Geyser

A geyser is a spring characterised by intermittent discharge of water and steam.

The soil

Soil is the loose, uppermost, fertile layer of the Earth’s crust.

Ocean currents

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

Volcanic activity

This animation demonstrates different types of volcanic eruptions

Cloud formation, types of clouds

Evaporating surface water forms clouds of various shapes from which water falls back to...

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