The instrument used to measwe the pressure of
weight of air.
It occupies 78% of the total volume of air.
The flow or movement of air. The process by which plants absorb carban -
dioxide in the process of sunlight.
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Answer:barometer
Explanation: A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. A simple barometer consists of a long glass tube (closed at one end, open at the other) filled with mercury and turned upside down into a container of mercury
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Explanation:
a barometer is a scientific instrument
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