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A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
The phosphorus cycle describes the movement of phosphorus through the lithosphere,...
Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
Tsunami waves are very high waves of immense destructive power.
The Sun's rays travel through space without interruption, but once they reach the Earth's...
The four outer planets (Jupiter, Saturn, Neptune and Uranus) do not have solid surfaces, thus...
The decisive factor that determines the climate zones of mountains is the altitude above sea level.
Human activity increases the greenhouse effect and leads to global warming.