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Cold and warm fronts are formed where bodies of cold and warm air meet.
Karst formations include dolines and dripstones.
Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.
We can observe quite interesting astronomical phenomena when the Earth, the Sun and the Moon align.
Plate tectonics is a theory dealing with the movement of plates.
Natural gas and petroleum are among the most important sources of energy and raw materials today.
Fog is a type of cloud that forms close to the surface of the Earth. There are places on the...
Soil is the loose, uppermost, fertile layer of the Earth’s crust.