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Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Groundwater and aquifers are types of underground waters.
Is the tundra region as cold and deserted as many people think?
The subtropics are located between the tropical and temperate zones, between 23.5° and 40°...
Short-lived but extremely powerful tornadoes can cause a great deal of damage.
A fjord is a long, narrow inlet with steep sides, created in a valley carved by glacial...
Evaporating surface water forms clouds of various shapes from which water falls back to...