Question

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Answer 1

Answer:

Hey Buddy,

Answer is). 3).as the thermometer is taken out from the mouth, the level of mercury, in it immediately starts falling.

Explanation:

It is so because a laboratory thermometer is designed to measure temperature for quick interfaces, when it is used for measuring body temperature, after removing the thermometer, its temperature begins to fall rapidly which may lead to inaccuracy in measuring the correct temperature of body.

Hope that helps...

#Phenomenal...