Question

3. Air pressure is expressed in units of _________________. *
Millibar
Milli Square
Square kilometre

Answer 1

Answer:

milibar this is the right answer

Explanation:

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Answer 2

Answer:

millibars (mb) is your answer

Explanation:

Atmospheric pressure is expressed in several different systems of units: millimetres (or inches) of mercury, pounds per square inch (psi), dynes per square centimetre, millibars (mb), standard atmospheres, or kilopascals.