The Earth’s magnetic field

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

Vertical forces can break up layers of rock into fault blocks, which then move vertically...

Földünk felszínének egyhetedét elfoglaló sivatagok kialakulása, éghajlata, felszínformálása.

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

Plate tectonics is a theory dealing with the movement of plates.

A Föld legbővizűbb folyama, az Amazonas és vízgyűjtő területének a bemutatása.

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

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