Question

Air pressure is expressed in
​

Answer 1

Answer:

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.

Answer 2

Air pressure is expressed in many units...

i.e-millimetres(or inches) of mercury, pounds per square inch (psi),dynes per square centimetre,millibars(mb),standard atmospheres,or kilopascals.

I hope it helps uh...

plss mark my answer as brainliest❤