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I need to know the answer

I need to know the answer-example-1
User Evelin
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1 Answer

4 votes

Answer:

Barometer

Step-by-step explanation:

Since the pressure is the thing which needs to be measured, a thermometer would be useless as it measures the temperature, not the pressure. A calorimeter measures the heat of a reaction (again, through the temperature change), so a calorimeter is useless. a barometer measures pressure, so a barometer should be chosen. the last option measures some sort of light, which again, doesn't measure pressure.

User Singularhum
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