what is barometer? ❓
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Answer:
A barometer is a scientific instrument that is used to measure air pressure in a certain environment. Pressure tendency can forecast short term changes in the weather. Many measurements of air pressure are used within surface weather analysis to help find surface troughs, pressure systems and frontal boundaries.
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Answer:
measuring instrument
Explanation:
air pressure is measured in units of millibars. For this an instrument called barometer is used. the air pressure at the earth's surface is measured with this instrument.
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