Humidity is measured by:
AHydrometer
BHygrometer
CHyetometer
DAnemometer
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Related Questions:
The pH value of portable water should be:
Potassium permanganate is used in water for make it
The colour of water is measured on:
The colour of water is measured on
Symbiosis, the beneficial association between algae & bacteria is used for treatment of waste water in the following unit: