Waves are beautiful to look at, but they can destroy ships at sea, as well as houses and buildings near the shore. most waves are caused by winds blowing over the surface of the URwater.the the sun heats the earth, causing the air to rise and rhe URblow.the winds blow winds to cross the sea, pushing little waves into bigger and bigger onesThe size of a wave depends on how strong the wind is, how long it blows, and how large the body of water is.in a small bay big waves will never build up while the wind can build up giant, powerful waves in the sea.A rule says that the height of a wave (in meters) will usualy be no more than one-tenth of the wind's speed (in kilometers). in other words, when the wind is blowing at 120 km per hour, the most waves will be about 12 m. of course, some waves may combine to form the giant waves that are much higher.in 1933 the united states navy reported the largest wave in meansured history.it rose in the Pacific ocean to a height of thirty-four meters
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