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  3. The weather concerns everyone and has effect on nearly every human activity. It occurs within the atmosphere, the gaseous fluid

The weather concerns everyone and has effect on nearly every human activity. It occurs within the atmosphere, the gaseous fluid

admin2010-01-15  75
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答案 The weather concerns everyone and has effect on nearly every human activity. It occurs within the atmosphere, the gaseous fluid that completely envelops the Earth. Weather is defined as the momentary, day-to-day state of the atmosphere over any place on the Earth’s surface. Climate, on the other hand, refers to weather averaged over a long period. The basic atmosphere conditions that make up the weather include precipitation, humidity, temperature, pressure, cloudiness, and wind. The air is constantly in movement. There also is a continuous exchange of heat and moisture between the atmosphere and the Earth’s land and sea surfaces. These ever-changing conditions can be scientifically analyzed. The science of observing and predicting the weather is known as meteorology.
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