Respuesta :

linderson92

Answer:

atmospheres (atm) or bars

Explanation:

You did not give options but barometers measure pressure in atmospheres (atm) or bars.

Between atm or bars, pick one that is in your choices.

itsbrizee

Answer:

mmHg

Explanation:

Early barometers used mercury (Hg) to measure pressure based on how high or low it went against the ruler (mm).

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