Waves are formed by the wind blowing over the sea.
Friction with the surface of the water causes ripples to form and these develop into waves.
The distance the wind blows across the water is called the fetch - the longer the fetch the more powerful and destructive the wave.
There are two types of waves with different characteristics:
Friction with the surface of the water causes ripples to form and these develop into waves.
The distance the wind blows across the water is called the fetch - the longer the fetch the more powerful and destructive the wave.
There are two types of waves with different characteristics:
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