Sedimentary rock

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

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

Stratovolcanoes consist of layers of volcanic ash, debris and lava.

The surface of the Earth has been formed into its present state both by external and internal...

When the temperature of the cooling air reaches dew point condensation occurs because air is...

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

A hydrothermal vent is a fissure in the planet's surface through which geothermally...

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