what is barometer?????????
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Step-by-step explanation:
Barometer is an instrument that measures air pressure and indicates changes in weather
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an instrument that measures air pressure and indicates changes in weather
Barometers. A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressur
Torricellian barometer (sometimes called a mercury barometer) is an inverted (upside-down) glass tube standing in a bath of mercury. Air pressure pushes down on the surface of the mercury, making some rise up the tube.
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