Greenhouse effect

Human activity increases the greenhouse effect and leads to global warming.

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Warm front, cold front

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

Factors of warming

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

The African savannah

The largest contiguous savannah in the world is in Africa. It covers about one-third of the...

The lungs of the Earth Tropical Rainforests

Tropical rainforests play an important role in regulating the Earth climate.

The subtropics

The subtropics are located between the tropical and temperate zones, between 23.5° and 40°...

Wind at the beach

Sea and land breeze form because of the differing warming of land and sea.

Folding (basic)

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

Abrasion coasts

The destructive force of waves can create steep cliffs in certain coastal areas. Let’s see how...

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