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OpenStudy (anonymous):
A barometer consists of _______. Select one: a. mercury, a tube sealed at one end b. liquid iron, a tube sealed at one end c. mercury, a tube opened at one end d. liquid iron, a tube opened at one end @danish071996
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OpenStudy (anonymous):
thnx
OpenStudy (perl):
a barometer contains mercury
OpenStudy (perl):
its between a and c,
OpenStudy (perl):
A mercury barometer has a glass tube with a height of at least 84 cm, closed at one end, with an open mercury-filled reservoir at the base.
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