Question

very short answer...

what is the use of a maximum-minimum thermometer?​

Answer 1

Answer:

basically it's used to check the temperature like greenhouse, etc..

Explanation:

Maximum/minimum thermometers are often used to measure a maximum/minimum air temperature for example in a greenhouse.

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Answer 2

Answer:

Maximum/minimum thermometers are often used to measure a maximum/minimum air temperature for example in a greenhouse. Thus, the transfer liquid should preferably remain substantially liquid up to and above the highest expected temperature.