Question

which instrument use for measuring air pressure ?​

Answer 1

Answer:

Barometers is an instrument uses for air pressure.

A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. The atmosphere is the layers of air wrapped around the Earth. That air has a weight and presses against everything it touches as gravity pulls it to Earth. Barometers measure this pressure

Answer 2

Barometer

Explanation:

A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure.