awil6311
Answered

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Old thermometers contained very small amounts of mercury. The mercury in the photo has a melting point of -38.8 degrees Celsius. What can you conclude about the melting point of the mercury in old thermometers? *

It's melting point can only be determined when the mercury is burned.
It's melting point changes as the temperature of mercury changes.
It's melting point equals -38.8 degrees Celsius because it is mercury.
It's melting point is less than -38.8 degrees Celsius because its volume is smaller.

Sagot :

AvrilK

Answer:

••It's melting point equals -38.8 degrees Celsius because it is mercury. |••

Explanation:

This one makes the most sense out of the answers.

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