Barometric pressure is often expressed as the _______ of a column of mercury in a barometer.
A)weight
B)density
C)temperature
D)height

Question

Quizplus · Accepted Answer

Barometric pressure is often expressed as the height of a column of mercury in a barometer. As the atmospheric pressure changes, the height of the column of mercury in the barometer also changes. Therefore, the height of the column is a measure of the atmospheric pressure at that location.

Barometric Pressure Is Often Expressed as the _______ of a Column