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When masses of cold and warm air meet, weather fronts develop.
An earthquake is one of the most devastating natural phenomena.
In this lesson you will learn more about minerals and rocks.
Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.
Seas and oceans cover almost three-quarters of the Earth’s surface. 97.5% of the total...
A fjord is a long, narrow inlet with steep sides, created in a valley carved by glacial...
This animation demonstrates the most important relief features, surface waters and their...