What Causes Weather?
Weather
is the phsical condition of the atmosphere at a perticular time. It includes
temperature, air presseure and water content.
Weather is produced when air moves from place to place. This moving air
is known as wind. Winds are caused by warm air rising and cooler air moving to
replace it. Warm air is usually less dense than cool air; therefore, it creates
low air pressure. Cool air is more dense and creates high air pressure.
Usually we have fine weather when
the air pressure is high, and we will have clouds, rain or snow when air
pressure drops.
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