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Tuesday, December 21, 2010

WIND

WIND
In wind has inspired influenced the events of expanded the range of and and provided a for, and. Wind has powered the voyages of across Earth's oceans. use the wind to take short trips, and powered flight uses it to increase lift and reduce fuel consumption. Areas of caused by various phenomena can lead to dangerous situations for When winds become strong, trees and man-made structures are damaged or destroyed.

Wind is the of on a large scale. On wind consists of the bulk movement of air. In is the movement of gases or charged particles from the through space, while is the of light from a planet's atmosphere into space. Winds are commonly classified by their, their the types of forces that cause them, the regions in which they occur, and their effect. The strongest observed winds on a planet in our occur on and In winds are often referred to according to their strength, and the direction from which the wind is blowing. Short bursts of high speed wind are termed gusts. Strong winds of intermediate duration (around one minute) are termed Long-duration winds have various names associated with their average strength, such as breeze, , and typhoon. Wind occurs on a range of scales, from thunderstorm flows lasting tens of minutes, to local breezes generated by heating of land surfaces and lasting a few hours, to winds resulting from the difference in absorption of between the on Earth. The two main causes of large scale are the differential heating between the equator and the poles, and the rotation of the planet .

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