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Physical properties, as well as the flora and fauna of the ocean change with depth.
Vertical forces can break up layers of rock into fault blocks, which then move vertically...
An earthquake is one of the most devastating natural phenomena.
Above a certain altitude snow does not melt, not even in summer.
The destructive force of waves can create steep cliffs in certain coastal areas. Let’s see how...
When the temperature of the cooling air reaches dew point condensation occurs because air is...
A glacier is a large body of ice in constant, slow motion down a hillside.
On a geological time scale lakes are short-lived.