Try C I’m sorry if you get it wrong but I’m like 90% sure
Answer:
d
Explanation:
Generally, it is transported through pipes so I think statement d is incorrect.
Answer:
Decreases
Explanation:
The atmospheric pressure on the surface of the mercury pushes it up the evacuated tube until the downward pressure of the mercury equals the atmospheric pressure.
If the atmospheric pressure decreases, the mercury doesn't have to rise as high.
The mercury height decreases.