Middle School

The pressure of 20 cm of mercury is:

A. 27200 N/m\(^2\)

B. 27500 N/m\(^2\)

C. 28000 N/m\(^2\)

D. 29000 N/m\(^2\)​

Answer :

Answer:

im note too sure

Explanation:

please ask again later

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