HUMAN NUTRITION

Detailed explanation-1: -Use clean, running water to wet your hands. The water can be cold or warm-cold water actually does work and warm water is more likely to irritate skin. Rub your hands with soap (and rub your hands together to lather the soap).

Detailed explanation-2: -Is it better to use warm water or cold water? Use your preferred water temperature – cold or warm – to wash your hands. Warm and cold water remove the same number of germs from your hands. The water helps create soap lather that removes germs from your skin when you wash your hands.

Detailed explanation-3: -According to researchers at Rutgers University, it makes no difference if you wash your hands in hot or cold water as both are equally as effective at removing harmful bacteria.