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Effective hand washing requires scrubbing for as long as it takes to sing the "Happy Birthday" song twice, or at least twenty seconds. O False True
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Effective hand washing requires scrubbing for as long as it takes to sing the "Happy Birthday" song twice, or

at least twenty seconds.
O False
True

User Margo
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7.5k points

1 Answer

3 votes

Answer:

True

Step-by-step explanation:

The center for disease control has stated that twenty seconds is recommended which is about the same time you sing happy birthday twice.

User Marcelo
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7.3k points
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