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.
The four leading causes of death in the united states are :
1. Heart Disease
Could e prevented by doing regular cardio activity
2. Cancer
Avoid smoking. Avoid exposing yourself to sunlight without sun screen
3. Stroke
could be prevented by eating less cholesterol
4. Accidents
Could be prevented by following regulations and not exposing yourself to alcohol before driving
hope this helps
<span>Puberty begins when the pituitary gland increase the amount of hormones in one blood stream. Puberty is the process of physical change during which a child body's mature and become transformed into an adult body which is capable of reproduction. The onset of puberty is characterized by releasing of different types of hormones, especially reproductive hormones into the blood stream.</span><span />
To manage stress you could do yoga
Gonorrhea and hepatitis B