Icebergs

Icebergs are blocks of frozen freshwater floating in the sea.

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Mediterranean climate

It is characterised by dry, hot summers and mild winters.

Snow line

Above a certain altitude snow does not melt, not even in summer.

Folding (intermediate)

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

From the Sahara to Amazonia

A szaharai porral érkező tápanyagok nélkülözhetetlenek az Amazonas növényvilága számára.

Lightning

Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.

The Tundra: a green-edged icy wasteland

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

The process of physical and chemical weathering

Upon physical weathering the rock only falls into pieces, whereas during chemical weathering its...

The lungs of the Earth Tropical Rainforests

A trópusi esőerdőkre bolygónk légkörének védelme miatt is vigyáznunk kell.

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