An aneroid barometer
A)requires the use of mercury.
B)uses a chamber that expands or contracts with changes in air pressure.
C)is a hypothetical instrument for measuring air pressure.
D)uses a meter long tube for measuring air pressure.

Question

Quizplus · Accepted Answer

An aneroid barometer uses a chamber that expands or contracts with changes in air pressure, whereas mercury is used in a mercury barometer. The other options are incorrect as they do not accurately describe an aneroid barometer.

An Aneroid Barometer