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The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.
This animation demonstrates the most important relief features, surface waters and their...
The rise and drop of sea levels caused by the gravitational force of the Moon.
Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.
Natural gas and petroleum are among the most important sources of energy and raw materials today.
The duration of solar radiation, the angle of the Sun's rays and the surface albedo all have an...
A periodic climate pattern that occurs across the tropical Pacific Ocean every five years.
One third of the continents is covered with desert. Today, desertification is a growing problem.