Hot water at the hand sink should be at least 100˚F (38˚C).
What is temperature?
Temperature can be defined as the degree of hotness or coldness of a matter.
Temperature can be measured in Celsius, Fahrenheit, and Kelvin.
The temperature of substance are increased by the addition of heat whereas temperature is reduced by removal heat.
The instrument used to measure changes in temperature is called thermometer.
Water temperature for handwashing at the hand should be at least 100˚F (38˚C).
The reason is to ensure that the water is not to cold to allow germs to still remain on the hands after washing of the hands. Also, it will ensure that the water is not too hot to burn the hands.
In conclusion, the degree of hotness or coldness of a system is its temperature. This temperature is measured with instruments called thermometers.
Learn more about temperature at: brainly.com/question/26141817
#SPJ1
