An earthquake is one of the most devastating natural phenomena.
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Cold and warm fronts are formed where bodies of cold and warm air meet.
The decisive factor that determines the climate zones of mountains is the altitude above sea level.
Short-lived but extremely powerful tornadoes can cause a great deal of damage.
Waterfalls form where the river flows over a steep precipice in its course.
Soil is the loose, uppermost, fertile layer of the Earth’s crust.