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A glacier is a large body of ice in constant, slow motion down a hillside.
It is a sedimentary rock made up of loosely structured, rough grains of rock.
The Earth’s magnetic North and South poles are located near the geographic North and South poles.
A periodic climate pattern that occurs across the tropical Pacific Ocean every five years.
Within the lethal embrace of deserts, life can only flourish because of large springs. Here...
Tsunami waves are very high waves of immense destructive power.
Cyclones are large areas of swirling air with clouds and precipitation being formed inside.
The largest contiguous savannah in the world is in Africa. It covers about one-third of the...