Math, asked by laxmiarora2021, 3 months ago

plz answer this question , fast
class 9 ​

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Answered by XxTRISHITxX
6

Answer:

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Step-by-step explanation:

A nonliquid barometer called the aneroid barometer is widely used in portable instruments and in aircraft altimeters because of its smaller size and convenience. It contains a flexible-walled evacuated capsule, the wall of which deflects with changes in atmospheric pressure.

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