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decreasing
Not sure about an insuement, but an instrument for measuring air pressure is a barometer.
Air pressure
An air pressure measuring device is called a Barometer.
An advantage of using a barometer is that you can measure air pressure.
decreasing
decreasing
The air pressure is rising.
As air becomes cooler, it becomes more dense. As the air become more dense (heavy), it causes the barometer to rise.
increasing
otherwise know as a barometer and it measures air pressure in newtons
it means hot or warm.
A barometer is used to measure air pressure. It measures the atmospheric pressure using air, mercury, or water and will be shown as inches of mercury or millibars.
An increase in air pressure will cause the mercury in a barometer to rise, indicating higher atmospheric pressure. This typically indicates fair weather conditions.
Air pressure is measured with a barometer.
A barometer is a instrument used to measure air pressure
the part affected by changes in air pressure is a flat metal box with a flexible top and bottom.