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26 April, 17:21

What is a barometer?

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Answers (2)
  1. 26 April, 18:11
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    A barometer is an instrument measuring atmospheric pressure, used especially in forecasting the weather and determining altitude.
  2. 26 April, 20:16
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    A barometer is an instrument used to measure air pressure. A barometer is a tube with mercury inside of it. It's open on one end and closed on another and the weight of the air pushes on the mercury inside of the tube.
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