Hand washing has external health benefits, helping prevent the spread of communicable diseases. if a program were somehow devised so that people received a small reward every time they washed their hands, we would expect the frequency of hand washing to and the number of people who are sick to .

Respuesta :

it should be expected that the frequency of hand washing to Increase and the number of people who are sick to reduce drastically.

Basically, communicable diseases are diseases that are easily transferable because it get to the host body through contact with infected surface.

  • So when the program of hand-washing is devised, it is devised to reduces the transferable diseases.

Hence, it should be expected that the frequency of hand washing to Increase and the number of people who are sick to Reduce drastically.

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