Answer:
Waves are the undulating rise and fall of sea and ocean waters. They are created when winds blow over seas and oceans. The peak of the wave is known as the crest and the lower point is known as the trough. The greater the wind speed, the higher and more powerful the waves. Winds push the sea waters towards the hand in the form of waves which collide with one another producing surf. If there is an earthquake or volcanic eruption on the ocean floor, enormous waves, known as tsunamis occur.
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