A. heat the mercury and make it expand
B. increase the pressure above the mercury.
C. cool the mercury and make it contract.
D. decrease the pressure above the mercury
Correct Answer:
Option B – increase the pressure above the mercury.
A. heat the mercury and make it expand
B. increase the pressure above the mercury.
C. cool the mercury and make it contract.
D. decrease the pressure above the mercury
Correct Answer:
Option B – increase the pressure above the mercury.
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