The provision of clean water, proper drainage and sewage systems and the appointment of a Medical Officer of Health in every area. Over time all of these have changed
Answer:
Create an air gap to prevent backflow.
Explanation:
An air gap prevents contamination of the water because it creates a space between the water outlet and a contaminated source. So, if there is, for example, a decrease in the pressure that pumps the water to the faucet, the water the air gap will prevent the contamination of potable water and the cause of different illnesses.
Well mathematics argue that B is the correct answer, but at this moment Idiocracy states all the other choices
Answer:
C. the movement of skills from one experience to another
Explanation:
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