Question

Substance that produces atmospheric pressure

Answer 1

Answer:

Mercury

Explanation:

Atmospheric pressure is also known as biometric pressure as it is the pressure within the earth. It is seen that the atmospheric pressure is equivalent to the pressure of mercury. It is the molecules of air which is the only substance which ensures to produce atmospheric pressure, among any other substances

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Answer 2

Answer:

Barometer measures atmospheric pressure mainly we can say mercury barometer.

And as per your question the atmospheric pressure is produced by the weight of air itself.