Respuesta :
the answer is the first one aneroid measures air pressure using a metal chamber thats sensitive to pressure changes and is using no liquid.
Aneroid
Aneroid Barometers if anybody have a barometer at home , it is probably an aneroid barometer . The word aneroid means with out liquid .An aneroid barometer has an airtight metal chamber , as shown in figure 6 metal chamber is sensitive to change in air pressure.
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