The rock cycle

Due to the effect of both exogenic and endogenic forces, rocks constantly change. This is called the rock cycle.

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Folding (basic)

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

Mediterranean climate

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

The Tundra: a green-edged icy wasteland

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

Karst region (intermediate)

Karst formations include dolines and dripstones.

Warm front, cold front

Cold and warm fronts are formed where bodies of cold and warm air meet.

The process of physical and chemical weathering

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

Faulting (basic)

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

The formation of fog

Fog is a type of cloud that forms close to the surface of the Earth. There are places on the...

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