Warm front, cold front

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

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A fjord is a long, narrow inlet with steep sides, created in a valley carved by glacial...

Climate zones

The Earth is divided into geographical and climatic zones, which result in the zonation...

Seafloor map

The boundaries of tectonic plates can be seen on the seafloor.

Layers of the ocean

Physical properties, as well as the flora and fauna of the ocean change with depth.

Exogenic forces

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

Mountain climate zones

The decisive factor that determines the climate zones of mountains is the altitude above sea level.

The African savannah

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

Ocean currents

The Great ocean conveyor is a planet-wide system of ocean currents, which has a great...

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