Answer :

Final answer:

A physical link between safe water and contaminated water is called a cross-connection. This can occur when there is a direct or indirect connection between a source of safe water and a source of contaminated water. Cross-connections are regulated and monitored to prevent contamination.

Explanation:

A cross-connection can occur when there is a direct or indirect connection between a source of safe water and a source of contaminated water. This can lead to the contamination of the safe water supply, posing a health risk to individuals who consume it.

For example, if a plumbing system is not properly designed or maintained, a cross-connection can occur between a drinking water supply and a wastewater or non-potable water source. This can allow contaminants from the non-potable water source to flow back into the drinking water supply, contaminating it.

Cross-connections are a significant concern in ensuring the safety of drinking water, and they are regulated and monitored to prevent contamination.

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Rewritten by : Jeany