BIOLOGY
CLASSIFICATION OF VITAMINS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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about 30 seconds
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2 minutes
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about 10 seconds
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None of the above
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Detailed explanation-1: -Nonetheless, evidence suggests that washing hands for about 15-30 seconds removes more germs from hands than washing for shorter periods 15, 17, 18.
Detailed explanation-2: -Wash hands with soap and water for at least 20 seconds. Use the cleanest water possible, for example from an improved source. *If soap and water are not available use an alcohol-based hand rub that contains at least 60% alcohol.
Detailed explanation-3: -Scientific studies show that you need to scrub for 20 seconds to remove harmful germs and chemicals from your hands. If you wash for a shorter time, you will not remove as many germs. Make sure to scrub all areas of your hands, including your palms, backs of your hands, between your fingers, and under your fingernails.
Detailed explanation-4: -Lather your hands by rubbing them together with the soap. Lather the backs of your hands, between your fingers, and under your nails. Scrub your hands for at least 20 seconds.