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.
Answer:
Multisystem trauma involves injuries to the body that affect more than one body system. There are several body systems, some of which include:
Cardiovascular
Digestive
Muscular
Respiratory
Nervous
Skeletal
Multisystem trauma can result in widespread complications in the body that can be potentially life-threatening. Learn more about multisystem trauma, including how to treat this type of condition.
I believe the best choice will be option 3