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Effectus [21]
3 years ago
14

Please help I'm behind

Biology
1 answer:
Likurg_2 [28]3 years ago
4 0

Answer:

B : Barometer

Explanation:

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.

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