Think a little!
Will it be alright if water or oil is used
in the thermometer?
• Where is the temperature of your
district headquarters recorded?
answer this following question
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Answered by
1
no brother mercury was used in olden days to measure temperature in thermometer becuz it is very harmful chemical now we are using electronic thermometer.
the temperature is recorded in climate change headquarter which are in mumbai chennai delhi etc
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