how thermometer works?
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By measure of cold or heat, through its tip then mercury come into play whether to rise or fall.
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Mercury is a liquid metal that is used in thermometer. When the temperature is hot, mercury rises up and when the temperature is cold,it lowers down. So,in this way thermometer works.. Plz mark as the brainliest answer........
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If helpful, plz mark as the BRAINLIEST.. thx
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